Most birds find it safe to sleep in the trees, but __________ they have eggs or young chicks, they don't use a nest.

试卷相关题目

• 1Occasions are quite rare ______ I have the time to spend a day with my kids.

  A.who

  B.which

  C.why

  D.when

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• 2I don't like ______ you speak to her.

  A.the way

  B.the way in that

  C.the way which

  D.the way of which

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• 3You can only be sure of_____you have at present;you cannot be sure of something  you might get in the future.

  A.that;what

  B.what;/

  C.which;that

  D./;that

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• 4After ten years, she changed a lot and looked different from _______ she used to be.

  A.that

  B.whom

  C.what

  D.who

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• 5Chan's restaurant on Baker Street,_______ used to be poorly run,is now a successful business.

  A.that

  B.which

  C.who

  D.where

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• 6 ______ he has been chosen to work as a teacher in the mountain village _______ him feel very proud.

  A.That, make

  B.Whether, makes

  C.That, makes

  D.Where, make

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• 7He paid the boy 10 yuan foe washing ten windows, most of _______ hadn't been cleaned for at least a year.

  A.these

  B.those

  C.that

  D.which

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• 8It is such a modern machine ______ few of the workers know how to operate.

  A.as

  B.which

  C.that

  D.the one

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• 9The result of the experiment was very good, _____ we hadn't expected

  A.when

  B.that

  C.which

  D.what

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• 10  _______ knows the truth will tell you about it , I think .

  A.Who

  B.No matter who

  C.Whoever

  D.B and C

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