1. Pinyin What is the right answer?

2. Which one is the right pronunciation? ① ② ③ ④

3. Which one is the right pronunciation? ④ ① ② ③

4. Which one is the right pronunciation? ④ ① ② ③

5. Which one is the right pronunciation? ④ ① ② ③

6. Which one is the right pronunciation? ② ③

7. Which one is the right pronunciation? ④ ① ② ③

8. Which one is the right pronunciation? ④ ① ② ③

9. Which one is the right pronunciation? ④ ① ② ③

10. The end,thank you!