Bai 5 chia dong tu trong ngoac
1. Mary (be) ____________________ seriously ill since last night.
2. They sometimes (go) ____________________ school by bus.
3. How long __________ you (study) __________ English?
- I (study) ____________________ it for 7 years.
4. We last (see) _____________ them last Sunday.
5. I (not meet) ____________________ him since he moved to Hanoi.
6. Now they (play) ____________________ happily in the school yard.
7. We (not finish) ____________________ our exercises yet.
8. My friend said he (be) __________ working in Hanoi then.
9. Mr. David (just buy) ____________________ a new house.
10. They (build) ____________________ a new hospital in my neighborhood next month.
11. It (not rain) ____________________ since the beginning of this month
1. has been
2. go
3. have you studied/have studied
4. saw
5. haven't met
6. are playing
7. haven't finished
8. were
9. has just bought
10. will build
11. hasn't rained