Exercise 2: Chia dạng đúng của động từ trong ngoặc ở thì quá khứ đơn và quá khứ tiếp diễn.
1. When I (arrive) at this house, he still (sleep)
2. The light (go) out while we (have) dinner.
3. Bill (have) breakfast when I (stop) at this house this morning.
4. When I (come) to his house, he (work)
5. As we (cross) the street, we (see) an accident.
6. Tom (see) a serious accident while he (stand) at the bus stop.
7. The children (play) football when their mother (come) back home.
8. The bell (ring) while Tom (take) a bath.
9. He (sit) in a car when I (see) him.
10. We (clean) the house when she (come) yesterday.
Loga
Sinh Học lớp 12
