Choose the word whose underlined part is pronounced differently:

1. A. parents /s/
2. D. bear /e/
3. A. are => were
4. C. developed /t/
5. D. weather /ð/
6. B. volun'teer
7. D. de'vice
8. If I hadn't stayed up late last night, I wouldn't have been tired.
9. How many lessons are there in your laptop now?
10. If you did't live so far away, we would visit you often.
11. Her homework was being done by Lan at that time.
12. B. would be
13. If I lived by the sea, I could go swimming everyday.
14. If he had prepared for the interview, he would have got the job.
15. If Mary had had breakfast, she wouldn't have felt hungry.
16. A new hospital has just been built near my house.
17. A. knew => had known
18. If the water weren't too dirty, we could bathe in this part of river.
19. If we didn't have four air conditioners in our house, we wouldn't spend too much money on electricity.
20. Tương tự câu 8.