1. A: closing
2. D: where
3. B: up
4. C: instead of
5. C: deposit
6. A: to follow
7. C: took
8. B: will pick
9. B: interested
10. A: eye chart
11. B: made
12. D: reading
13. A: how long
14. D: water-fetching
15. C: can be seen
16. Would you mind if + V2
Would you mind + Ving ( câu này thấy sai sai )
17. A: to go
18. D: if I had
19. B: dressing
20. B: rice-exporting country