______ you have known everything about it, it is unnecessary for me to talk about it again.

试卷相关题目

• 1---Why were you late for school today? ----It was ________ I help catch a thief on the bus.

  A.since

  B.as

  C.for

  D.because

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• 2— What a shame ! It turned out to be a failure. — We missed a process,_______ we could not succeed in the experiment.

  A.and otherwise

  B.and therefore

  C.or perhaps

  D.but luckily

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• 3There is plenty of rain in the southeast, ________ there is little in the northwest.

  A.because

  B.therefore

  C.while

  D.as

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• 4Children in that kindergarten are sometimes asked to sit on their hands ______listening to the teacher.

  A.while

  B.though

  C.after

  D.during

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• 5He thought ________ mattered most in improving your spoken English was enough confidence and practice.

  A.why

  B.what

  C.which

  D.that

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• 6My sister was angry ______ what he said.

  A.as

  B.because

  C.because of

  D.since

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• 7 _________ you have finished your work,you might as well relax yourself now.

  A.Now that

  B.After

  C.Although

  D.As soon as

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• 8I was about to tell him the secret _________ someone patted me on the shoulder.

  A.as

  B.until

  C.while

  D.when

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• 9—What do you think about the new teacher? —________ the new teacher is an elegant lady, she can be extremely difficult to work with.

  A.As if

  B.As long as

  C.Because

  D.While

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• 10---Do you know what time you'll be back this evening, Eric? ----I'm not sure. It depends on _______ the interview lasts.

  A.when

  B.what

  C.how long

  D.how much

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