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The Titanic ( cross) was crossing the Atlantic when it ( strike ) struck an iceberg
Please turn off the stove . The water ( boil ) boils for more than fifteen minutes.
Mary ( work ) is working on the essay for two hours now and she ( hope) hopes that she ( finish) will finish it in one more hour.
The guard ( listen) listened to his iPod, so he ( not / hear) didn't hear the fire alarm
when thư boss ( walk) walked into the office, his secretary ( type) was typing the report , and the accountant ( talk) was talking on the phone
The Titanic ( cross) ..was crossing.. the Atlantic when it ( strike ) .striked.... an iceberg
Please turn off the stove . The water ( boil ) ..boils... for more than fifteen minutes.
Mary ( work ) .is working.. on the essay for two hours now and she ( hope) .hopes... that she ( finish) .will finish.. it in one more hour.
The guard ( listen) ...listens... to his iPod, so he ( not / hear) ..doesn't hear... the fire alarm
when thư boss ( walk) ...walked. into the office, his secretary ( type) .was typing. the report , and the accountant ( talk) ..was talking.. on the phone
1. When I last saw him, he _____ in London.
A. has lived
B. is living
C. was living
D. has been living
2. We _______ Dorothy since last Saturday.
A. don’t see
B. haven’t seen
C. didn’t see
D. hadn’t seen
3. The train ______ half an hour ago.
A. has been leaving
B. left
C. has left
D. had left
4. Jack ______ the door.
A. has just painted
B. paint
C. will have painted
D. painting
5. My sister ________ for you since yesterday.
A. is looking
B. was looking
C. has been looking
D. looked
6. I ______ Texas State University now.
A. am attending
B. attend
C. was attending
D. attended
7. He has been selling motorbikes ________.
A. ten years ago
B. since ten years
C. for ten years ago
D. for ten years
8. Christopher Columbus _______ American more than 500 years ago.
A. discovered
B. has discovered
C. had discovered
D. had been discovering
9. He fell down when he ______ towards the church.
A. run
B. runs
C. was running
D. had run
10. We _______ there when our father died.
A. still lived
B. lived still
C. was still lived
D. was still living
11. They ______ table tennis when their father comes back home.
A. will play
B. will be playing
C. play
D. would play
12. By Christmas, I _______ for Mr. Smith for six years.
A. will have been working
B. will work
C. have been working
D. will be working
13. I _______ in the room right now
A. am being
B. was being
C. have been being
D. am
14. I ______ to New York three times this year.
A. have been
B. was
C. were
D. had been
15. I’ll come and see you before I _______ for the States.
A. leave
B. will leave
C. have left
D. shall leave
16. The little girl asked what _______ to her friend.
A. has happened
B. happened
C. had happened
D. would have been happened
17. John ______ a book when I saw him.
A. is reading
B. read
C. was reading
D. reading
18. He said he _______ return later.
A. will
B. would
C. can
D. would be
19. Jack ________ the door.
A. has just opened
B. open
C. have opened
D. opening
1.C. was living
2.B. haven’t seen
3. B. left
4. A. has just painted
5.C. has been looking
6. A. am attending
7. D. for ten years
8. A. discovered
9. C. Was running
10. C. was still lived
11. B. will be playing
12.A. will have been working
13.D. am
14.A. have been
15.A. leave
16. C. had happened
17. C. was reading
18.B. would
19. A. has just opened
1 to tidy => tidying
2 isn't used to => doesn't use
3 at => for
4 since => when
5 sang => is singing
6 are => is
7 it => bỏ
8 interestingly => interesting
9 not go => didn't go
10 hardly => hard
IV. Tìm lỗi sai và sửa lại: 1. Huong spent half an hour to tidy => tidying (spend + V-ing) the bathroom. 2. Peter isn’t used => didn't use to eat with chopsticks when he lives in Viet Nam. 3. I don’t know where my pen is. I’ve looked at => for it everywhere. 4. We last saw a cowboy movie since => when we were in the city. 5. The man sang => singing English songs beautifully is my elder brother. 6. Five dollars are => is too much for this cake. 7. The story wasn’t short enough for me to read it => read in one day. 8. She finds it interestingly => interesting to do the housework. 9. I would rather you not => didn't go to school by motorbike. 10. These people are working very hardly => hard on the farm.
1. When I last saw him, he _____ in London.
A. has lived
B. is living
C. was living
D. has been living
2. We _______ Dorothy since last Saturday.
A. don't see
B. haven't seen
C. didn't see
D. hadn't seen
3. The train ______ half an hour ago.
A. has been leaving
B. left
C. has left
D. had left
4. Jack ______ the door.
A. has just painted
B. paint
C. will have painted
D. painting
5. My sister ________ for you since yesterday.
A. is looking
B. was looking
C. has been looking
D. looked
1. During my dinner , the phone rang
=> When I was cooking my dinner, the phone rang.
2. She has not phone me for 2 days
=> It's 2 days since she last phoned me.
3. Reading books is important
=> It is important to read books.
4. She must finish her test
=> Her test must be finished.
I didn't call her up 2 days ago.
I haven't called her for 2 days
Did you finish the test an hour ago?
Have you finished the test for an hour ?
I started playing tennis last year.
I've played tennis since last year
I haven’t seen him for a week
It’s a week since I last saw him
When did you first see her?
How long have you seen her ?
She didn't learn hard in 2005.
She hasn't learned hard since 2005
He has used the computer since he was 19
He began using the computer when he was 19
Peter has watched that film since last month
It’s last month since Peter watched that film
Nếu thấy câu trả lời mik có ích hãy cho mik 1 tick thay lời cảm ơn hay lời đồng tình về bài làm của mik nha 
1 planned => been planning
2 were => had been
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