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Statistics_____ a difficult course for people to understand.

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It is necessary that children_____ of their old parents.

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 In 1995______ Hawaii was admitted to the Union as the 50th State.

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He______ his job because he seems very happy.

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Please______ photocopies of documents.

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“How did the prisoner escape?” “By climbing a fence and_______ someone’s car”.

Choose correct answer A, B, C or D to complete the sentence. My computer makes a _______ low buzzing noise

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By knew that he would be able to reach the South Pole. It would be______.

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By the time I go to bed tonight, I _____ my work for the day.

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We don’t have ______ tonight

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You must tell him where you are going_______ when you will be back.

Choose the word (a, b, c, or d) that best fits each of the blank spaces. 
Not so long ago, people only used the (23)_____to make phone calls. Now, thanks to computers, people use their phones to do much more. They can bank by . phone, rent videos by phone, and even shop by phone. It is also possible (24)_____letters and reports by faxing them over telephone lines. People can even use their phone lines to (25)________ messages from one computer to another computer by (26)_________ mail, or e-mail. 

(26)........

 I agreed_____my mother about most things.

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Would you mind_______ me a hand?

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Both viruses and genes_____ made from nucleoproteins.

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My wife wishes she______ the guitar now

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We avoid _______ our environment.

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Do you know the woman _______ was hurt in the accident?

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You can send letters from Hongkong_______ by Suez or by Canada.

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

The new invention may receive a lot of __________ from the public.

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I wish this English course_____ the whole year.