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It is necessary that children_____ of their old parents.

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If it__________ rain, we’ll have the party outside.

 __________, computers are almost always correct. 

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__________ is the world’s most abundant fossil fuel.

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One of my best friends_____ five credit cards.

‘How long____. Tom?’‘Since we were kids. ’

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Most of the rooms in the hotel _____ air-conditioning.

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Everybody around him was smoking; _______ smoking.

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What would you suggest that he_____?

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Have you got any books_______?

____ a pet when you were young?

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”What did you do on Sunday?”

          “It was_____ day that I went to the lake”.

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

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 God is present under the sea in ________ concentratins that it is difficult to extract it.

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 “How much does a gold ring cost”?

          “It depends_____ the quality of the gold”.

Dr. Meier____lunch yet, so he is really hungry.

_____ is a machine that prints words from a computer.                                              

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Have the movers_______ the bedroom furniture first.

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)_____. 
(21).........

Choose correct answer A, B, C or D to complete the sentence. She use a laptop __________ to music and watch videos

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Not even one of the hundred students _____ passed the test.