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When _____ to explain his mistake, the new employee cleared his throat nervously.

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Have you got any books_______?

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You can come here either on Monday__________ on Friday.

NOT ONLY... BUT ALSO Lựa chọn kép: không những... mà còn...

I was very tired, ________ I determined to walk on to the next village.

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May I have 2 tickets, please? _________ two tickets, please?

Choose the word (a, b, c, or d) that best fits each of the blank spaces. 
Computers are very (21)____, but they also can (22) _____ problems. One kind of problem is with the computer’s memory. It is not perfect, so (23) ____ computers lose (24)______information. Another problem is with the machinery. Computers are machines, and (25)_____can break down. When computers break down, they may erase information, like chalk on a blackboard. Or they may stop doing anything at all. And there is another different kind of problem with computers. Some doctors say they may be bad for your (26)_____. 

(24)........ 

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Although he tried hard, _____

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He didn’t seem to mind _______ TV while he was trying to study.

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Because they usually receive the same score on standardized examinations, there is often disagreement as to _________ is the better student, Bod or Helen.

Choose correct answer A, B, C or D to complete the sentence. Science is used in all corners of the world for the __________ of people

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We used to go skiing in Michigan every winter, but________ for the past five seasons.

Choose the letter A, B, C or D to complete the sentences:
Computers are widely used nowadays and have _________  benefits.

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Let’s go out for dinner, _________?

_____ begin with a few facts.

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 I left my pen in this box, but it isn’t there now. Someone______ it.

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I borrowed four books on gardening the last time I _____ to the library.

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He drives so quickly that I am afraid that one day he will_______ someone crossing the street.

Choose the letter A, B, C or D to complete the sentence: The new invention may receive a lot of __________ from the public.

Don’t forget to _____ all the lights when you go to bed.

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Everybody around him was smoking; _______ smoking.

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 I believe there is somebody_____ on the door.