giúp làm bài đầu tiên với ạ

1. When the postman (come) came, I (have) was having breakfast

2. My sister (wash) was washing dishes while I (work) was working in the garden

3. While I (talk) was talking to John, the telephone (ring) rang.

4. Mr. Taylor (watch) was watching television while his wife (read) was reading a newspaper

5. When I (leave) left the house this morning, tt (rain) was raining very hard

6. John (talk) was talking to his friends when I (see) saw him

7. I (see) saw a bad accident while I (wait) was waiting for you in this corner

8. As we (cross) were crossing the street, the policeman (shout) shouted at us

9. That tourist (lose) lost his camera while he (walk) was walking around the city

10. It (snow) was snowing when I (get) got up this morning

11. Albert Einstein (die) died in 1955

12. Tom (go) went to the post office twice yesterday.

13. He (fall) fell while he (go) was going down the stairs

14. What was she (do) doing when you (arrive) arrived there? She (write) was writing a letter

15. She (have) was having her bath while her sister (get) was getting the breakfast ready

16. I (go) went to ask you to help me, but you (sleep) were sleeping so peacefully when I (look) looked

into your room that I (decide) decided to do it alone

17. I (look) looked up at the sky, dark clouds (gather) were gathering

18. Just as I (write) was writingthe letter, the inkpot (fall) fell over

19. Mr. Nam (cook) was cooking dinner when we (arrive) arrived.

20. What were you doing (you/do) when I (telephone) telephoned you last night?