Snorkeling trips are great fun but they ________ be very dangerous underwater.

试卷相关题目

• 1Lily, _____ you play the piano at such an hour? Our neighbours are all sleeping.

  A.can

  B.must

  C.do

  D.need

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• 2I ______ use a clock to wake me up because at six o'clock each morning the train comes by my house.

  A.couldn't

  B.mustn't

  C.shouldn't

  D.needn't

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• 3I'm going to Europe on vacation together with John if I ______ find the money.

  A.can

  B.might

  C.would

  D.need

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• 4It's quite warm here; we __________turn the heating on yet.

  A.couldn't

  B.mustn't

  C.needn't

  D.wouldn't

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• 5The girl _______not want to go there- you know she hates traveling.  

  A.may well

  B.may as well

  C.had better

  D.would prefer

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• 6'You _____ smoke in the bedroom,' Rose said to her husband and pushed him  out of the room.    

  A.needn't

  B.mustn't

  C.dare not

  D.won't

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• 7— The research on the new bird flu virus vaccme is challenging and demanding. Who do you think can do the job?     — _____ my students have a try?      

  A.Shall

  B.Must

  C.Will

  D.May

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• 8— Miss White has decided to explore in the forest by herself.  — She _____ ask her friends to if she dare go walking in the forest.    

  A.needn't

  B.can't

  C.would

  D.should

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• 9You  ___ buy a gift,  but you can if you  want to.     

  A.must

  B.mustn't

  C.have to

  D.don't have to

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• 10I wondered how he________that to the teacher.    

  A.dare to say

  B.dare saying

  C.not dare say

  D.dared say

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