Bài 1. Thì quá khứ hoàn thành
1. When Hoa arrived at the theater, the film ____________(start).
2. He ____________ (live) in Laos before He went to Vietnam.
3. After Lan ____________ (eat) the cake, Lan began to feel sick.
4. She _________________(finish) her homework by 10 p.m last night.
5. Linh ___________ (arrive) before I left.
6. After they ____________ (finish) lunch, they went out.
7. The tree was dead because it ____________ (be) arid all summer.
8. I ____________ (meet) him somewhere before.
9. They were late for the flight because they ____________ (forget) their passports.
10. Linh told me she ____________ (study) a lot before the exam.
11. The leaf was yellow because it ____________ (not/rain) all summer.
12. The lamp went off because I ____________ (not/pay) the electricity bill.
13. Hoa____________ (not/do) her homework, so she was in trouble.
14. She ____________ (not/eat) so we went to a restaurant.