Persons under 18 ______ not be employed in night work in the United States.

试卷相关题目

• 1 ----Can I catch a train to Beijing? ----You _____miss one. There are many trains to Beijing.

  A.mustn't

  B.needn't

  C.daren't

  D.shouldn't‘

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• 2 ---________the new housemaid cook some supper for you, Tom? ---No, tell her I'll eat outside tonight.

  A.Shall

  B.Would

  C.Will

  D.Could

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• 3For environmental reasons，we ______ as well take these waste products and have them recycled.

  A.shou1d

  B.would

  C.might

  D.could

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• 4 They demanded that the books _____ to the school library at once.

  A.return

  B.should return

  C.be returned

  D.would be returned

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• 5Only those who have experienced hardship _______ well aware of what happiness means.  

  A.can they be

  B.they can be

  C.can be

  D.they can

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• 6Some experts demanded that children _______ time to sleep and play.

  A.give

  B.should

  C.would be given

  D.be given

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• 7 I really _____ thank you enough. It's been an amazing day.

  A.needn't

  B.should

  C.must

  D.Cannot

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• 8 He _______ another career but, at the time, he didn't have enough money to attend school.

  A.might choose

  B.might have chosen

  C.had to choose

  D.must have chosen

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• 9 Even if you are an experienced teacher, you sometimes _______ make some mistakes.

  A.can

  B.must

  C.should

  D.Will

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• 10 He _____ his potential had it not been for his desire to meet new challenges.

  A.would never have realized

  B.would never realize

  C.never realized

  D.had never realized

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