PIC 1:
1. have carved
2. helped
3. went
4. has done
5. eats
6. have known
7. Have you ever done..?
- have done
8. have collected
9. is making
PIC 2:
3. will go
4. will be
5. won't continue
6. Do you think..?
7. is
8. gives
9. doesn't like
10. cooking
PIC 3:
6.???
7. Overpopulation causes a lot of social problems in this area, doesn't it?
8. Pollution is the most serious problem, isn't it?
9. Did a group of foreigners visit the slums last week?
10. Mr. Lam used to live in the country when he was a child
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