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Chọn đáp án đúng nhất
1. She.....the ocean before she moved to Vancouver
A) had never seen
B) never seen
C) have never seen
D) had never saw
2. the teacher.....out when i arrived in the classroom
A) goes
B) have gone
C) has gone
D) had gone
3. I.....my document before the power went out in the computer lab
A) had save
B) have saved
C) had saved
D) saved
4. When they arrived we.....the test
A) had already started
B) have already started
C) starts
D) already starting
5. George.....his furniture before he moved to japan
A) have sold
B) had sold
C) had sell
D) sells
6. Larry.....his homework already by the time Roy came over
A) finishes
B) had finish
C) had finished
D) have finish
7. I.....a little Spanish before i went to Mexico
A) study
B) had studied
C) had study
D) have studied
8. Ruth.....an Austrailian unit she met John
A) had never met
B) have never met
C) never met
D) never have met
9. I.....such majestic mountains before i went to Banff
A) never seen
B) had never seen
C) never have seen
D) never saw
10. .....visited Toronto before your trip last summer?
A) have you ever
B) you had
D) had ever you
C) had you ever
1. David had gone home before we arrived.
After ....................we arrived ,David had gone home ..............................................................................................................................
2. We had lunch then we took a look around the shops.
Before ...................we took a look around the shops, we had had lunch.............................................................................................................................
3. The light had gone out before we got out of the office.
When .........we got out of the office, the light had gone out ........................................................................................................................................
4. After she had explained everything clearly, we started our work.
By the time ......................we started our work, she had explained everything clearly..................................................................................................................
5. My father had watered all the plants in the garden by the time my mother came home.
Before .................my mother came home, my father had watered all the plants in the garden ...............................................................................................................................
6. He hadn’t put the car into the garage before the typhoon came.
By the time ..........................the typhoon came, he hadn’t put the car into the garage ..............................................................................................................
7. Pele won three World Cups before he retired.
By the time Pele retired, ...................he had won 3 World Cups .................................................................................................
1. David had gone home before we arrived.
After .................... David had gone home, we arrived. ...
By the time the vet __ from the town, half of the cows in the village __
A, arrived – will have died
B, arrived – has died
C, arrives – had died
D, arrived – died
11. Thinking over a decision can be a disadvantage: by the time our boss made up his mind about the price the contract ____________ to Brown & Sons.
A. has gone B. had gone C. did go D. would have gone
12. We are not going to stop. The campaign should go on until every bike ___________ marked with the new reflective paint. Just think how many lives it may save.
A. will have been B. was C. has been D. will be
13. After only two or three days it turned out to be rather unfortunate that Andrea, my only acquaintance in Puebla, __________ there long enough to be a good guide.
A. hadn’t lived B. didn’t live C. hasn’t lived D. wasn’t living
14. Both witnesses, who were giving widely conflicting accounts of the incident, ________ on one important detail: the driver of the van was a young woman in a baseball cap.
A. didn’t agree B. had agreed C. have been agreeing D. did agree
15. Next Friday, when Cindy __________ her last exam at the college, I’ll be taking her out for dinner at the Continental.
A. has passed B. will have passed C. will pass D. passed
16. Don’t ask me to show you the slides before my wife __________ them. Call it censorship if you like.
A. seeing B. will have seen C. has seen D. saw
17. Without any warning he ____________ the boy on the chest.
A. striked B. stroke C. stroked D. struck
18. “It’s a pity you haven’t seen that play.” “But I have, I __________ it last week.”
A. have seen B. saw C. had seen D. was seen
19. “Is it true you plan to hold a press conference?” – “Yes, as soon as the first results __________ known. It’s important to be quick.”
A. will be B. will have been C. are D. were
20. “It says here the base at North Pass has been receiving supplies only by air.” – “Oh really? Since when?” – “Since the bay _________ over.”
A. freezed B. froze C. has frozen D. has frost
