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Workbook Answer Key
Unit 1
Page 2
Vocabulary Focus
Answers may vary. Suggested answers:
Conversation
1. worry 4. funny
2. hard-working 5. quiet
3. serious 6. shy
Page 3
Language Focus
1. ‘s / is 5. she’s
2. who’s 6. she’s
3. the ones 7. the one
4. with / who has
Answers will vary. Sample answers:
1. is wearing the green shirt
2. is standing by Mandy
3. has short, black hair
4. He’s funny and outgoing
5. who are good at sports
Page 4
Reading
1. Make New Friends
2. Laughter is the Best Medicine
3. Fun with Sports
4. Painters Paint Together
5. Extra Study
Answers may vary. Suggested answers:
Club Name Who? What do they
do?
B
Welcoming
Committee
students who
are friendly and
talkative
They meet new
students and
help them to
make new
friends.
Comedy
Club
students who
are funny and
can make
people laugh
They play
games, learn
new jokes, and
visit children
who are sick.
Sports
Club
students who
are active and
good at sports
They play and
learn sports.
Art Club students who
are good at
drawing
They take art
lessons, and
visit art
museums, and
visit a home for
older people.
Study
Buddies
students who
are serious,
hard-working,
dependable,
and like to
study
They help other
students study.
Page 5
Writing
Answers will vary. Students should have completed
the chart with information about four friends. Sample
answer for one friend.
Maya David
What is
your friend
like?
• very outgoing
and friendly
• easygoing
and
dependable
What does
your friend
like to do?
• loves to have
fun
• likes to try
new food
Why is your
friend
special?
• the first to
make friends
with new
students
• from Peru
• can text faster
than anyone
A
B
A
A
2. 396
else in our
class
Other
Information
• very
hardworking
• studies really
hard before
tests
• very good at
Spanish and
English
• very kind
Answers will vary. Students should have drawn
pictures of two friends and written about them.
Unit 2
Page 6
Vocabulary Focus
2. police officer 5. chef
3. accountant 6. nurse
4. designer
2. Nurses, doctors 5. Reporters
3. Accountants 6. Chefs
4. Flight attendants
Conversation
a. 1 c. 6 e. 8 g. 7
b. 2 d. 4 f. 3 h. 5
Page 7
Language Focus
1. do 5. ‘s/is
2. lets 6. with
3. that’s (that is) 7. don’t
4. be / work as
1. Most students want a job that pays a lot of
money.
2. Nine students want a job that lets them travel.
3. More students want a job that lets them help
people.
4. What kind of job do you want?
Answers will vary. Sample answers:
1. I want a job that lets me work with animals.
2. No, I don’t. (I want a job that isn’t too hard.)
Page 8
Reading
c
1. a 2. b 3. c 4. c 5. b
Page 9
Writing
Answers will vary.
Unit 3
Page 10
Vocabulary Focus
1. museum
2. movie theater
3. temple
4. bus
5. library
1. You can’t use/bring a cell phone here.
2. You can’t touch anything here.
3. You can’t talk loudly here.
4. You can’t wear shoes here.
5. You can’t bring food and drinks inside./You
can’t eat or drink here.
Conversation
I. drink 3. be quiet
2. eat 4. bring your cell phone
Page 11
Language Focus
1. Do 5. wash
2. to 6. don’t
3. have to 7. can’t
4. Can
1. You can eat lunch in this room.
2. You can’t touch the paintings in the museum.
3. You have to be quiet in the library!
4. You don’t have to join a club.
5. You can’t be late for class.
6. You have to take off your shoes outside the
temple!
B
A
B
A
B
C
A
B
B
A
B
A
B
C
3. 397
Answers will vary. Sample answers:
1. Yes, we/I can.
2. No, we/I don’t. (We/I can eat in the garden.)
3. No, I/we can’t.
Page 12
Reading
c
1. b 2. b 3. a 4. b 5. c
Page 13
Writing
Answers will vary. Students should have written
down a game and some of its rules.
Answers will vary. Students should have described
a new game and written the rules.
Language Review I,
Units 1‐3
Page 14
1. like 6. that
2. I’m 7. be
3. who 8. can
4. kind 9. can’t
5. wanted 10. have to
Page 15
1. No, he isn’t.
2. He wanted to be a police officer or a flight
attendant (when he was young).
3. (Now) he wants a job that pays a lot of money.
/ (Now) he wants to be a doctor.
4. No, he doesn’t.
1. challenges
2. making new friends
3. science
4. school cafeteria
Answers will vary.
Unit 4
Page 16
Vocabulary Focus
Answers may vary. Suggested answers:
owl: patient, quiet, quick
sloth: slow, careful, quiet
dolphin: quick, graceful, playful
bee: hard-working, quick, graceful
Conversation
Answers will vary. Sample answers:
1. gentle/playful 4. quietly/slowly
2. playful/funny 5. well/quickly
3. patient/strong 6. quietly/patiently
Page 17
Language Focus
2. (Students circle well). Penguins are good
swimmers.
3. (Students circle loud). Chimpanzees talk very
loudly.
4. (Students circle quick). Giraffes run quickly.
5. (Students circle fastly).Whales can swim fast.
6. (Students circle fierce).Tigers always hunt
fiercely.
1. slow, fast
2. gentle, fiercely
3. dangerous, silently/quietly
4. playful, quietly/silently
A
B
A
B
A
B
C
D
E
A
B
4. 398
Page 18
Reading
Students should circle: slowly, silently, carefully,
hard, quickly
1. c 2. a 3. b 4. a 5. c
Page 19
Writing
Answers will vary.
Unit 5
Page 20
Vocabulary Focus
Conversation
1. global 4. fall
2. deserts 5. recycle
3. farmland 6. off
Page 21
Language Focus
1. T There will probably be a lot less clean
water
2. F There will be less pollution.
3. F I think there will be more clean beaches.
4. T There will be more cars on the roads.
5. T I think there will be fewer trees.
1. will start affecting them 10 years from now. /
will start to affect them in 10 years.
2. answered the questions. / took the survey.
3. they won’t be affected by global warming /
global warming won’t/ will never affect them.
4. 84
5. Answers will vary. Sample answer: 10 years
from now.
Page 22
Reading
c
Page 23
Writing
Answers will vary. Sample answers:
1. There will be a lot more people on Earth.
2. There will be more cars.
3. There will probably be a lot less clean water
and fewer natural resources like oil.
4. There will be a lot more pollution so more
people will be sick from the dirty air.
Answers will vary.
Unit 6
Page 24
Vocabulary Focus
blizzard earthquake flood volcano mudslide hurricane
shakes 3
erupts 3
destroys 3 3 3 3 3 3
buries 3 3 3
hits 3 3 3 3 3
strikes 3 3 3 3
Conversation
1. events 4. hurt 7. struck
A
B
B
A
B
A
B
A
B
5. 399
2. terrible 5. destroyed
3. when 6. floods
Page 25
Language Focus
no one
Terry: No, someone got hurt.
were
Officer: That’s good. Where are you when the
man took your bag?
was
Terry: I walking down Main Street.
see
Officer: Did anyone here seeing the man?
Carla: Yes, I did. I was talking on my cell phone
when
what a man ran past me. He had Terry’s bag.
wearing
Officer: What was he wear?
was wearing
Carla: He is wear a brown shirt, jeans, and
sneakers.
Answers may vary, and may be considered correct
as long as it’s grammatically correct and the
information is taken from the correct part of the
chart.
Suggested answers:
1. An earthquake struck when he was watching
TV.
2. Did anyone get hurt in Korea?/ Did anyone get
hurt in the hurricane?
3. He/She was shopping.
4. Where was Massimo (when the earthquake
hit)?
5. He was in Brazil.
6. Was Massimo studying when the earthquake
struck?
Page 26
Reading
a. 1 c. 3 e. 2 g. 4
b. 7 d. 6 f. 5
Page 27
Writing
Answers will vary. Sample answers:
What happened? A blizzard struck.
When? Last year.
Where were you? I was at home.
Who...? I was with my parents
How did you feel? I was really scared.
Answers will vary.
Language Review 2,
Units 4‐6
Page 28
2. blizzard 5. flood
3. hurricane 6. volcano
4. mudslide
Answers may vary. Suggested answers:
1. What was she doing when the earthquake
struck?
2. Where were you when the blizzard hit?
3. Did anyone get hurt? / Was anyone hurt (in the
hurricane)?
4. Did he get hurt? /Was he in the house when
the mudslide hit?
5. There was a flood.
6. Where were they when the volcano erupted?
Page 29
1. gracefully/playfully 5. slowly
2. playful/graceful 6. patiently
3. quickly 7. fierce
4. dangerous
Answers will vary. Sample answers:
2. Food supplies will decrease.
3. Temperatures will increase/rise.
4. The population will probably increase/will
expand/shrink.
5. There will be more pollution.
6. There will be fewer natural resources.
Answers will vary. Sample answers:
1. Yes, I do (because the water is becoming
more polluted).
2. We are both hard-working, but she’s more
hard-working than I am.
3. Yes, they can.
4. Yes, I do. / No, I don’t.
A
B
B
A
B
A
B
C
D
E
6. 400
Unit 7
Page 30
Vocabulary Focus
1. went 5. invented
2. died 6. discovered
3. became 7. won
4. took place
Conversation
Answers will vary. Sample answers:
1. a flying car
2. Yes, I do / No, I don’t
3. I think humans have discovered a way to live
on Mars
4. I think we have robots to help us do everything
Page 31
Language Focus
2. Walt Disney created the first
during
Mickey Mouse cartoon for the 1920s.
3. The National Geographic Society was founded
on
during 13 January, 1888.
4. In July 2009, the moon
for
completely covered the sun at 6 minutes and
39 seconds in total.
Answers may vary slightly. Answers should be
similar to the following:
1. They/Ferranti made NIMROD in (May) 1951.
2. He/Ralph Baer introduced the first video game
to the world on 24 May 1972 / in (May) 1972.
3. Ms. Pac-Man began to become popular /
became popular when it was first released in
1981.
4. They/The Marios Bros. games were the most
popular during the early 1980s.
5. They/Nintendo invented the first Wii game
system in 2006.
Page 32
Reading
b
2 (Battuta) 3 (Columbus) 1 (Polo)
1. b 2. c 3. b 4. a 5. a
Page 33
Writing
Answers will vary.
Answers will vary.
Unit 8
Page 34
Vocabulary Focus
Answers will vary. Sample answers:
1. the tango
2. raw fish
3. your mum a present
4. a birthday card from another country
5. a chocolate cake
6. a costume
Answers will vary. Students should have checked
the boxes of those activities they have done.
Conversation
1. given 4. made 7. eat
2. give 5. made 8. eaten
3. gotten 6. make
Page 35
Language Focus
1. bought 5. gone/been
2. written 6. been/gone
3. sung 7. taken
4. seen
1. Yes, I have
2. No, I haven’t. I hate dancing/No, I’ve never
danced the tango
3. Yes, I have / I have, too
4. I’ve tried/eaten
5. No, I haven’t / No, I’ve never worn one
6. Yes, I have. I wore one last year at Halloween
A
A
B
A
B
C
A
B
A
B
A
B
7. 401
Page 36
Reading
She’s in Africa with her parents.
Wed: Left their house / spent the day on the
plane
Thurs: spent the day on the plane/
flying/travelling. Arrived in Africa.
Fri: Tried traditional food. Ate bugs
Sat: went to see wild animals
Sun: went camel-riding
1. a 2. a 3. b 4. c 5. c
Page 37
Writing
Answers will vary.
Answers will vary.
Unit 9
Page 38
Vocabulary Focus
Conversation
a. 2 c. 7 e. 8 g. 6
b. 5 d. 1 f. 4 h. 3
Page 39
Language Focus
1. use to 5. didn’t
2. used to 6. used to
3. anymore 7. No one
4. used to
2. About 100 years ago, people used to ride
horses, but now they take the bus.
3. Fifty years ago, people used to write letters,
but now they send text messages / now they
chat online.
4. Last century, people used to send telegrams,
but now they chat online / now they send text
messages.
Page 40
Reading
Title: c 1st heading: a
2nd heading: b
1. A blizzard is a winter storm with heavy snow
and strong winds.
2. c 3. a 4. c 5. c
Page 41
Writing
Answers will vary.
Language Review 3,
Units 7‐9
Page 42
Across:
3. died 9. festival
5. country 11. apartment
6. discovered 13. invented
Down:
1. suburbs 8. village
2. became 10. won
4. parade 12. town
7. introduce
1. Have 7. given/bought
2. sung/tried 8. never
3. ‘ve/have 9. bought/gave
4. used I0. made
5. ‘ve/have 11. buy/give/get
6. bought/gotten 12. give/buy/get
A
B
C
A
B
A
B
A
B
B
A
B
8. 402
Page 43
1. b 2. c 3. a
Answers may vary slightly but must
correctly use the words in green.
1. The first space walk took place during the
1960s.
2. Alexei Leonov made the first space walk on
March 18, 1965.
3. The first space walk was 45 years ago.
4. Alexei Leonov was the astronaut who made
the first space walk.
Answers will vary. Sample answers:
1. No, I haven’t.
2. I started using the Internet five years ago.
Unit 10
Page 44
Vocabulary Focus
Missing letters: T, N, and O
1. body 4. fossil 7. skeleton
2. bones 5. mammoth 8. footprint
3. human 6. dinosaur
Conversation
1. seen 6. last
2. since 7. what
3. been 8. extinct
4. discovered 9. for
5. found out
Page 45
Language Focus
2. Tony has found a very old bone yesterday, but
it was only a dog bone.
identified
3. Researchers have identify many new plant
species in the last five years.
4. My parents took dance classes last summer.
have been dancing
Since then, they danced every day.
5. Since the Internet was invented, people have
learned/learnt
tcarn a lot more about natural history.
Page 46
Reading
1. 13 meters long 2. 1,100 kg
1. T 2. F 3. F 4. T 5. F 6. F
2. Titanoboa is larger than an anaconda. /
Titanoboa is not about the same size as an
anaconda.
3. The words “that snake” refer to the 11.7 meter
snake / the snake that lived in North Africa.
5. Titanoboa ate giant turtles and crocodiles, but
not humans.
6. Scientists think there may be more giant
snakes one million years from now, but they
don’t know for sure.
Page 47
Writing
Answers will vary.
Unit 11
Page 48
Vocabulary Focus
2. If we clean up the schoolyard, we’ll have a
beautiful school.
3. If the students hand out flyers, more people
will know about the talent show.
4. If we volunteer to work with younger students,
we can help them study.
5. If everyone donates some clothes, we can sell
them at the school fair.
6. If we ask for donations from libraries, we’ll get
a lot of books.
7. If our class holds a concert, we can all sing in
it.
8. If we take care of the school pets, we can
learn more about animals.
Conversation
1. What are you doing?
2. I’m making 300 cookies.
3. Really? Why so many?
C
D
E
A
B
A
B
C
B
9. 403
4. We’re donating them to the home for street
children.
5. That’s a great idea! How can I help?
6. You can help sell T-shirts at the fun run next
week.
7. OK. What else can I do?
8. I’m going to ask the stores for donations.
9. Great! I’ll help you.
Page 49
Language Focus
Mr. Lee: OK, class. There are many things we
do
can doing to make our neighborhood better.
Let’s share some ideas.
teach
Misa: Well, if we make flyers, we can teaching
people to recycle.
clean
Ken: If we cleans up the area, it’ll be more
beautiful.
Tim: Also, if we ask some stores to donate
will
books, they give us some.
can
Misa: Yeah, if they give us books, we have put
them in the school study center for the kids to
read.
Let’s
Mr. Lee: Good ideas, everyone! Let get started.
Answers will vary. Sample answers:
2. I study more, will get better
3. I, I won’t sleep in class
4. it is sunny tomorrow, we can go to
5. I, I will get a stomachache
6. we clean up the schoolyard, will look nice / we
don’t clean up the schoolyard, will be dirty
Page 50
Reading
2 (Auctioned Art)
3 (Sponsored Sports)
I (Work for the Homeless)
1. c 2. c 3. a 4. b 5. C
Page 51
Answers will vary. Sample answers:
1. I think the Rent-a-Worker program for charity is
the most interesting because students have
time, but they don’t have money. This way,
they can use what they have to make the
world a better place.
2. I think the art auction raises the most money
because art is expensive.
3. I don’t support any charities, but maybe I will
start.
Writing
Answers will vary.
Unit 12
Page 52
Vocabulary Focus
Words/phrases are:
star, orbit, Mercury, Jupiter, sun, Saturn, solar
system, Uranus, planet, moon
Answers will vary.
Conversation
a. 1 c. 2 e. 3 g. 4
b. 7 d. 5 f. 6
Page 53
Language Focus
1. presented 7. doing
2. select 8. go
3. study 9. will find
4. think 10. study
5. passed 11. fly
6. has been 12. on
1. hear 5. sounds 9. wrote
2. playing 6. made up 10. were
3. lived 7. was
4. saw 8. used to be
A
B
A
B
C
B
A
B
A
B
10. 404
Page 54
Reading
b
1. b 2. c 3. a 4. c 5. b
Page 55
Writing
Answers will vary.
Language Review 4,
Units 10‐12
Page 56
Across:
2. Mercury 7. orbits
4. dinosaur 8. planet
5. stars 9. moon
Down:
1. guinea 5. skeleton
3. crocodile 6. schoolyard
1. planning 7. donate/give
2. last 8. has
3. has 9. system
4. have/hold/plan 10. hold/have/plan
5. will 11. flyers
6. Let’s 12. give/hand
Page 57
1. a 2. b 3. a 4. c
Answers will vary. Sample answer: I think they
should have a fun run because people can exercise
and raise money. Some people don’t like museums,
so they can raise more money with a fun run.
Answers will vary. Sample answers:
1. live in Denmark.
2. I’ve been learning English.
3. I’ve made many friends.
4. I went to Singapore.
5. I wanted to go to the Olympics, but I couldn’t.
6. raise the money, I can go to English summer
camp.
The Real World Quiz I,
Units 1‐3
Page 58
Top row: firefighter, salesperson, bus driver
Bottom row: dog walker / guide dog trainer,
climbing guide
1. left-handed 4. verbally
2. visually 5. right-handed
3. lefties 6. righties
Answers will vary. Sample answers:
1. You can’t / Don’t swim here.
2. You can’t / Don’t play musical instruments
here.( No horning.)
3. You can’t / Don’t smoke here.
4. You can’t / Don’t ride a horse here.
5. You should / Please recycle.
1. Bend the rules.
2. Can you give me a hand?
3. Keep up the good work.
The Real World Quiz 2,
Units 4‐6
Page 59
Answers may vary. Suggested answers:
1. a mouse 4. a swan
2. a lamb 5. a bee
3. a lion 6. a kitten
1. character / intelligence
2. intelligence / character
3. denial
4. realize
5. Plan B
5. scared
1. b 2. c 3. d 4. A
A
B
B
A
B
C
D
E
A
B
C
D
A
B
C
11. 405
1. b 2. a 3. c
The Real World Quiz 3,
Units 7‐9
Page 60
New Amsterdam: New York City
New Spain: Mexico
New Granada: Colombia
Lutetia: Paris
Constantinople: Istanbul
Gold Coast: Ghana
Persia: Iran
Siam: Thailand
Saigon: Ho Chi Minh City
Van Diemen’s Land: Tasmania
1. F 2. F 3. T 4. T 5. F 6. F
Answers will vary. Sample answer:
My dream classroom is shaped like the number
eight. The teacher’s desk is in the small part in the
middle. On one side are desks for studying. On the
other side are computers, TVs with DVD players,
and other things for studying.
1. c 2. a 3. b
The Real World Quiz 4,
Units 10‐12
Page 61
1. craters 5. Apophis
2. asteroids 6. Scientists
3. Jupiter 7. orbit
4. Earth
Answers will vary. Sample answers:
1. I can pay for someone’s drink at a movie
theater.
2. Yes, I do because books are expensive.
3. My friend gave me a surprise birthday party.
1. I have to hit the books. (c)
2. It’s as clear as mud. (a)
3. I’m spaced out. (b)
D
A
B
C
D
A
C
D