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)_____. 

(23).......... 

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He had to work hard so that he _____ his family.

_____ is a machine that prints words from a computer.                                              

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

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While he was washing his new car, Mr. de Rosa_____ a small dent in the rear fender.

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I __________ bacon and eggs every morning.

Khi vật thể hay nhóm vật thể là duy nhất hoặc được xem là duy nhất

There are billions of stars in ______ space.

Choose correct answer A, B, C or D to complete the sentence. I'd rather work in the field than_____ at home

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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Where are the children? “I saw_______ in the yeard”.

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“How many your trip to Panama?”

          “Wonderful, except that we spent_____ money”.

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There_____ never been an environmental disaster of this magnitude.

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Take the number 7 bus and get_______ at Forest Road.

Choose the letter A, B, C or D to complete the sentence: I'd rather_____ in the field than_____ at home.

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It was not long before a helicopter arrived. It arrived_______

__________ you do the dishes when you were young?

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The man who was driving the truck would not admit that he had been at fault, and_______

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Out _____ from its tiny cage.

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“What kind of job is Adrienne looking for?”.

          “She’s interested _____ a career in TV”.

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I have nothing_______ you today.

Choose the letter A, B, C or D to complete the sentences:

She seems to have spent all her life studying in _______ establishments.