I. Hãy chọn câu trả lời đúng nhất.
1. He ___________ (go) out when I came into the house.
2. They ____________ (finish) their work right before the deadline last week.
3. Before he __________ (go) to bed, he _________ (read) a novel.
4. They __________ (come) back home after they __________ (finish) their work.
5. She said that she __________ (meet) Mr. Bean before.
6. He told me he __________ (not/ wear) such kind of clothes before.
7. When I came to the stadium, the match ___________ (start).
8. Before she ___________ (listen) to music, she __________ (do) homework.
9. She ___________ (not/ come) home when I got into the house.
10. She __________ (come) back her hometown before June last year.
11. David ___________ (go) home before we arrived.
12. We __________ (have lunch) then we took a look around the shops.
13. The light __________ (go) out before we got out of the office.
14. After she __________ (explain) everything clearly, we started our work.
15. My father __________ (water) all the plants in the garden by the time my mother came home.
16. He __________ (clean) the house by the time her mother came back.
17. They went home after they ___________ (eat) a big roasted chicken.
18. When they arrived at the airport, her flight __________ (take) off.
19. I wish I __________ (go) with you yesterday.
20. If she __________ (tell) me the truth yesterday, I would have helped her.
