It isn't clear _____ is to blame.We need to find a solution to the problem first.

试卷相关题目

• 1It was not until I came here _______ I realized this place was famous for not only its beauty but also its weather.

  A.who

  B.that

  C.where

  D.before

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• 2It was their old car ________ my friend and his father sold to a Mexican last week.

  A.when

  B.which

  C.whether

  D.that

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• 3In my opinion, all Mr Li ______ good to his students in his class at present. He is very strict with them in their studies.

  A.does does does

  B.does does do

  C.does do did

  D.did do does

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• 4It was because of bad weather __________ the football match had to be put off.

  A.so

  B.so that

  C.why

  D.that

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• 5I can't quite remember ________ you started playing golf.     

  A.when it was that

  B.when was it that

  C.that it was when

  D.that was it when

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• 6It was _____ he came back from Africa that year _____ he met the girl he'd like to marry.

  A.when; then

  B.not until; that

  C.only; when

  D.not; until

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• 7It was when searching for the lost book whose cover was missing ______ a secret letter addressed to his mother.

  A.what he found

  B.until he found

  C.that he found

  D.he had found

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• 8– Do you know _____ yesterday ? – It was at 8 o'clock in the morning.

  A.when did she come

  B.when was it that she came

  C.when she came

  D.when it was that she came

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• 9It was in the lab ________ was taken charge of by Johnson ________ they did the experiment.

  A.where; which

  B.which; that

  C.which; which

  D.that; which

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• 10Was it ______ he was playing volleyball on the playground ________ he got hurt?

  A.that; when

  B.when; that

  C.that; where

  D.where; that

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