It was not until the teacher had explained it three times _______ how to work out the problem.

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• 1—Is Mr. Wang still teaching in this school? —I'm afraid not. He is said _______ the school as he was diagnosed with liver cancer.

  A.to have left

  B.to have been left

  C.to leave

  D.to be left

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• 2Lydia doesn't feel like __________ in the north as she is a little bit homesick.

  A.study

  B.studying

  C.studied

  D.to study

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• 3-I've left my watch in the hotel. -I  ______ and get it for you

  A.go

  B.am going

  C.am to go

  D.will go

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• 4It'll be only a few days ______ the Spring Festival comes round.

  A.after

  B.since

  C.before

  D.when

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• 5Han Mei, I would appreciate ______ you could give me some suggestions on GRE test.

  A.it whether

  B.it if

  C.that when

  D.that if

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• 6It was April 29, 2011_____ Prime William and Kate Middleton walked into the palace hall of the wedding ceremony.

  A.that

  B.when

  C.since

  D.before

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• 7It remains to be seen________North Korea will remain stable under its new young leader.

  A.when

  B.whether

  C.why

  D.That

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• 8It is well known that ________ the flower is to grow,________the price is in the market.

  A.harder; higher

  B.the harder; the higher

  C.the more hard ; the more high

  D.more harder ; more high

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• 9I _____ not thank you too much for your help.

  A.may

  B.can

  C.should

  D.will

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• 10_____ no doubt _____ the Amber Room is one of the wonders of the world.

  A.It is; that

  B.It is; whether

  C.There is; that

  D.There is; whether

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