Bài 1: Cho dạng đúng của động từ trong ngoặc ở thì quá khứ hoàn thành.

1.Before hanging out with friends, Jim (do) ______________ his homework.

2. Peter told me that he (already finish) ______________ reading ‘Harry Porter’.

3. Mary said she (never be) ______________ to Paris before.

4. When we came to the movie theater, the film (start) ______________.

5. Where ______________ (Jim/ be) before you found him?

6. Peter (travel) ______________ to 5 foreign countries on business trips before he retired.

7. My mother (write) ______________ me a note before she left for work.

8. I wish I (not attend) ______________ that meeting.

9. Jim (read) ______________ all his books before he bought a new one yesterday.

10. ______________ (you/ clean) your room before you went out?