Another drug that has helped improve people's health is penicillin, _________ is _________ by many _________ one of the most important medicines.

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• 1 ________ ,the more quickly he will learn a foreign language.

  A.The stronger motivation will a person have

  B.The stronger motivation has a person

  C.The stronger motivation a person will have

  D.The stronger motivation a person has

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• 2Everyone had an application form in his hand, but no one knew which office _______.

  A.to send it to

  B.to send it

  C.to be sent to

  D.to have it sent

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• 3It won't be a very long time _________ he is in business for himself.

  A.until

  B.when

  C.before

  D.that

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• 4______ friendship, much will be given to the kind man; little to the unkind one.

  A.When comes to

  B.When it comes to

  C.When it comes

  D.It comes to when

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• 5—How long do you think it will be _______ we get the loan?—Perhaps two or three months. 

  A.until

  B.before

  C.when

  D.that

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• 6________full use of the chance, or you will never achieve your dream of overseas study.

  A.Making

  B.To make

  C.Make

  D.To be made

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• 7Tom was about to close the window ________ his attention was caught by a bird.

  A.when　　　

  B.if

  C.and　　　

  D.till

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• 8It was the first time Mary _________ such a big opening ceremony.

  A.has attended

  B.attended

  C.had attended

  D.should attend

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• 9How long do you think ______ the Microsoft brings out a new product?

  A.it will be before

  B.will it be until

  C.will it be when

  D.it will be that

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• 10The Great wall is known ________ the world.

  A.for

  B.as

  C.on

  D.to

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