_____ he changes his mind, I won't promise to help him.

试卷相关题目

• 1We won't keep winning games _____ we keep playing well.

  A.because

  B.unless

  C.when

  D.while

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• 2They didn't discover until they happened to enter the back room ______ someone had stolen the priceless painting.

  A.that

  B.what

  C.which

  D.when

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• 3A good storyteller must be able to hold his listeners' curiosity _____ he reaches the end of the story.

  A.when

  B.unless

  C.after

  D.until

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• 4— How long do you think it will be _____ China sends a manned spaceship to the moon? — Perhaps two or three years.

  A.when

  B.until

  C.that

  D.before

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• 5The field research will take Joan and Paul about five months; it will be a long time _____ we meet them again.

  A.after

  B.before

  C.since

  D.when

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• 6To live in honor, _____ he came from a poor family, was his ambition.

  A.though

  B.if

  C.unless

  D.however

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• 7Unlike watching TV, reading is a highly active process ____ it requires attention as well as memory and imagination.

  A.until

  B.but

  C.unless

  D.for

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• 8— Peter told me he wanted to come with us. Is it OK for you? — I don't mind _____ he pays for his meals.

  A.as far as

  B.as well as

  C.as long as

  D.as soon as

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• 9Jack wasn't saying anything, but the teacher smiled at him _____ he had done something very clever.

  A.as if

  B.in case

  C.while

  D.though

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• 10It just isn't fair _____ I was working as a waiter last month; my friends were lying on the beach.

  A.whenever

  B.though

  C.for

  D.while

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