8 was walking- heard - was following - started 

9 wanted

10 dropped - was doing - didn't break

11 didn't hear - was sleeping

12 was shining - were singing

13 were talking - walked

14 wasn't - were playing

15 fell -* was reading

Kiến thức: Sự hòa hợp giữa các thì

Giải thích:

Trong quá khứ, một sự việc đang diễn ra thì một sự việc khác xen vào:

- Sự việc đang diễn ra dùng thì quá khứ tiếp diễn: S + was/were + V.ing

- Sự việc xen vào dùng thì quá khứ đơn: S + V.ed (I suddenly heard …)

Tạm dịch: Tôi đang đi trên đường thì bất ngờ nghe thấy tiếng bước chân phía sau tôi.

Chọn C

1.came/left
2.woke up/left

3.had finished / went

4.did/came

chucbanhoctot

1. studied

2. received

3. were you doing - phoned

4. was standing - saw

5. were sleeping

6. did you last see - saw

7. was walking - saw

8. was having - was having

9. was talking - heard

10. did you take

Câu trả lời của mình, có gì sai sót mong bạn góp ý ! :)

7. 

19. I (not see ) haven't seen Daisy for ages . When I last (see) saw him , he (try) was trying to find a job in London

20. I (walk) was walking along the street when suddenly I (hear) heard footsteps behind me . Somebody (follow ) followed me . I was frightened and I (start) started to run

21. When I was young, I(want) wanted to be a bus diver

22. I wish I (not be) weren't here now

23. They (practice) were practicing their music lesson at 7o'clock last night.

4.the verbs into correct forms: past simple – past continuous 12. Jane ( wait ) _______was waiting_______ for me when I ( arrive ) _____arrived_________

13. What ( you /do ) ___were you doing__________ this time yesterday? I was asleep.

14. ____did you go__________ ( you / go ) out last night? “ No, I was too tired.”

15. “ Was Carol at the party last night? “ “ Yes, she ( wear ) __wore__a really nice dress.

16. How fast ( you / drive ) _were you driving___ when the accident ( happen ) _____happned_________

17. John ( take ) _took__ a photograph of me while I ( not / look ) ______wasn't looking________

18. We were in very difficult position. We ( not / know ) ___didn't know___what to do.

19. I haven’t seen Allen for ages. When I last ( see) __saw_him, he ( try ) ______was trying________ a job in London.

20. I ( walk) __was walking___ along the street when suddenly I ( hear ) _heard___ footsteps behind me. Somebody ( follow) _followed__me. I was frightened and I ( started ) _started_ to run.

1 won't use

2 following

3 was found 

4 being entered

5 reading

6 were

7 had been travelling

8 should have known

9 will be

10 had been

1 saw...............trying

2walking............felt

1.saw-were trying

2was walking-felt

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

2. The Children (do) ...were doing.. their homework when their father (come) ...came.. back from the office. /

3. Bill (have) ..was having... breakfast when I (stop) .stopped... at this house this morning. /

4. While I (walk) ..was walking ... about the park, I (see) ..saw... Mr.Jone. /

5. When I (go) ..was going... out the sun (shine) ..shone... /

6. Just as I (leave) ...was leaving.. for home, a student (stop) ..stopped... me in the hall.