David knocked at the door for nearly half an hour______Mary opened it, unwilling.

试卷相关题目

• 1Considering the time limits, we also provide CDs ________ our students may prefer to study at home.

  A.so that

  B.so long as

  C.in case

  D.as if

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• 2In fact, I wonder _________ my efforts were all in vain.

  A.that

  B.which

  C.why

  D.where

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• 3I am determined to get a ticket for the concert _________ it means standing in a line all night.

  A.as though

  B.even if

  C.as if

  D.so that

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• 4After a long journey, those young men finally reached ______ they called the paradise.

  A.where

  B.what

  C.in which

  D.that

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• 5_____ the majority of people you will meet when travelling are sure to be friendly, there are dangers-theft being the most common.

  A.Since

  B.Unless

  C.While

  D.Once

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• 6Make good preparations for your self-driving trip ______ you'll regret it when your car breaks down in a remote are

  A.A.and

  B.so

  C.but

  D.or

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• 7You must learn to consider all possible results _____ you begin to carry out your plan.

  A.although

  B.before

  C.because

  D.unless

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• 8--With the country's pension fund gap becoming wider than ever, retirement age should be postponed immediately. ---Easier said than done. _____ we take all factors into account, we shall be faced with some other social problems.

  A.Unless

  B.Until

  C.When

  D.Once

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• 9______ you are a college student，you should learn to be independent of your parents' help.

  A.Now that

  B.While

  C.Unless

  D.Even though

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• 10Before long the Greens moved to a bigger city _________ the children could attend a better high school.

  A.even if

  B.so that

  C.now that

  D.as if

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