________ there are living creatures in the outer space as those on Earth hasn't been proved until now.

试卷相关题目

• 1House prices vary from place to place and are usually high ________ there are famous schools.

  A.when

  B.since

  C.where

  D.whether

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• 2He always keeps silent when others are talking excitedly, ________ inwardly he is a man full of passion.

  A.and

  B.for

  C.so

  D.yet

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• 3——Did you inform Helen of the plan put forward at the meeting? —Of course. ________ I saw her.

  A.So long as

  B.If only

  C.The moment

  D.Any time

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• 4______ is reported in the newspaper is that seventeen climbers have been killed in the snow tsunami.

  A.It

  B.As

  C.What

  D.That

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• 5—Can a person enjoy the pleasure from his work? —________ he can have his interests and the work combined.

  A.Although

  B.Since

  C.While

  D.Unless

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• 6________ I'm mistaken, I've seen that tall man at a party before.

  A.If

  B.As

  C.Unless

  D.When

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• 7—Was it 11 o'clock ________ your father came back last night? —Yes, he is always coming back so late.

  A.that

  B.while

  C.when

  D.until

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• 8—What upsets him? —________ his computer is out of order.

  A.Whether

  B.What

  C.That

  D.How

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• 9—How do you think I can make up with Jack? —Set aside ________ you disagree and try to find what you have in common.

  A.what

  B.where

  C.whether

  D.which

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• 10It is best to eat three meals a day; otherwise, it is possible ___________ your health will suffer later in life.

  A.that

  B.when

  C.while

  D.as

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