— How long will it _____ man can find another planet like the earth?— Ten years or longer.

试卷相关题目

• 1— I rang you at about nine, But there was no reply.— Oh, that was probably ______ I was seeing the doctor.

  A.why

  B.when

  C.what

  D.that

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• 2— We spent three hours waiting in the rain _____ your coming late again.   — I am sorry.   

  A.rather than

  B.instead of

  C.because of

  D.less than

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• 3— How long has this bookshop been in business?— _____1982.  

  A.After

  B.In

  C.From

  D.Since

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• 4It is hard for the Greek government to get over the present difficulties ____ it gets more financial supportfrom the European Union.  

  A.if

  B.unless

  C.because

  D.since

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• 5— How long is it ___ the new math teacher came here?   — wo weeks. The students just wonder how ___ they can go with him.

  A.since, far

  B.when, soon

  C.before, far

  D.that, long

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• 6We'd better set off now or it will be dark ______ we know it.

  A.before

  B.as

  C.when

  D.because

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• 7You could hear water pipes cracking _____ they _____ because of the cold.

  A.when; burst

  B.before; were burst

  C.when; were burst

  D.before; burst

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• 8The open-air celebration has been put off ____ the bad weather.     

  A.in case of

  B.in spite of

  C.instead of

  D.because of

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• 9The man in the lead swung his right arm _______ a signal for us to stop.     

  A.as if to make

  B.even if to make

  C.as though making

  D.even though making

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• 10A number of high buildings have arisen _______ there was nothing a year ago but ruins.

  A.when

  B.where

  C.before

  D.until

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