If you ______ smoke, please go outside.

试卷相关题目

• 1It ________ be the postman at the door.It's only six o'clock.( 2011·江西)

  A.mustn't

  B.can't

  C.won't

  D.needn't

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• 2Whether dying patients ______ be helped to end their lives is a tough moral question.

  A.must

  B.should

  C.might

  D.would

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• 3Why _______ you be so stubborn? You should think over my advice on this matter.

  A.may

  B.shall

  C.dare

  D.must

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• 4You __________be tired—you've only been working for an hour.

  A.must not

  B.won't

  C.can't　　　　

  D.may not

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• 5(2013·湖南长沙四校二模)—Is the letter from your mother? —Yes.But she ________the letter herself，because she doesn't even know one word.

  A.needn't have written　

  B.can't have written

  C.might not have written

  D.should not have written

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• 6—Is it necessary to look up every new word when I come across it in reading? —No. You ________， because you are likely to guess the meaning from the context.

  A.can't

  B.mustn't

  C.don't have to

  D.ought not to

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• 7I'm afraid Mr.Harding ______ see you now.He's busy.

  A.can't

  B.mustn't

  C.shouldn't

  D.needn't

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• 8(2014·山东省实验中学一模)You________get an allexpensepaid vacation to Australia if you can answer all the questions.

  A.must　

  B.can

  C.shall　

  D.may

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• 9In China's countryside, villagers often have the same family name, but ________ not be closely related.

  A.need

  B.shall

  C.must

  D.may

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• 10—Can I pay the bill by check? —Sorry，sir．But it's the management rules of our hotel that payment ______ be made in cash．

  A.shall

  B.need

  C.will

  D.can

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