1. B
2. C
3. C
4. A
5. B
6. C
7. B
8. A
1. B
2. C
3. A
4. C
5. A
V-infinitive | Past tense | Past participle | Meaning |
begin | began | begun | bắt đầu |
open | opened | opened | mở |
help | helped | helped | giúp đỡ |
wash | washed | washed | rửa |
reduce | reduced | reduced | giảm |
reuse | reused | reused | tái sử dụng |
recycle | recycled | recycled | tái chế |
clean | cleaned | cleaned | lau dọn |
teach | taught | taught | dạy |
win | won | won | chiến thắng |
find | found | found | tìm |
send | sent | sent | gửi |
cut | cut | cut | cắt |
climb | climbed | climbed | leo, trèo |
drive | drove | driven | lái xe |
start | started | started | bắt đầu |
do | did | done | làm |
see | saw | seen | nhìn thấy |
talk | talked | talked | nói chuyện |
write | wrote | written | viết |
finish | finished | finished | hoàn thành |
19. B
20. B
21. B
22. A
23. A
24. C