----- Nội dung dịch tự động từ ảnh -----
**Ex 2. Choose the best answer among A, B, C, or D.**
1. When I last saw him, he __________ in London.
A. has lived B. is living C. was living D. has been living

2. The train __________ half an hour ago.
A. has been leaving B. left C. has left D. had left

3. Jack __________ the door.
A. has just painted B. paint C. will have painted D. painting

4. My sister __________ for you since yesterday.
A. is looking B. was looking C. has been looking D. looked

5. He has been selling motorbikes __________.
A. am attending B. since ten years C. for ten years D. for ten years

6. Christopher Columbus __________ America more than 500 years ago.
A. discovered B. has discovered C. had discovered D. had been discovering

7. He fell down when he __________ towards the church.
A. run B. runs C. was running D. had run

8. We __________ when our father died.
A. still lived B. lived still C. still lived D. were still living

9. The little girl asked __________ to her friend.
A. has happened B. happened C. had happened D. would have been happened

10. John __________ a book when I saw him.
A. is reading B. read C. was reading D. reading

11. He said he __________ return later.
A. will B. would C. can D. would be

12. Jack __________ the door.
A. has just opened B. open C. will have opened D. opening

13. I have been waiting for you __________.
A. since early morning B. since 9 a.m C. for two hours D. All are correct

14. Almost everywhere for home by the time we arrived.
A. leave B. left C. leaves D. had left

15. By the age of 25, he __________ two famous novels.
A. wrote B. writes C. has written D. had written

16. While her husband was in the army, Mary __________ to him twice a week.
A. was reading B. wrote C. was written D. had written

17. I couldn’t cut the grass because the lawn mower __________ a few days previously.
A. broke down B. has been broken C. had broken down D. breaks down

18. Since then, I __________ heard nothing from him.
A. have left B. he left C. has left D. he was left

19. At about 7, I __________ home.
A. had B. had had C. have D. have had

20. By the end of next year, George __________ English for two years.
A. will have learned B. will learn C. has learned D. has learned

21. As soon as I got out of the car, I __________ round to the back and opened the book.
A. walked B. walk C. had walked D. would walk