科目: 来源:不详 题型:单选题
A.must | B.can | C.should | D.need |
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科目: 来源:不详 题型:单选题
A.should | B.might | C.needn’t | D.couldn’t |
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科目: 来源:不详 题型:单选题
A.must | B.might | C.can | D.need |
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科目: 来源:不详 题型:单选题
A.must be finished | B.be finished | C.ought to be finished | D.was finished |
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科目: 来源:不详 题型:单选题
A.could have fallen | B.should have fallen |
C.must have fallen | D.mustn’t have fallen |
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科目: 来源:不详 题型:单选题
A.have taken | B.had taken | C.should have taken | D.would have taken |
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科目: 来源:不详 题型:单选题
A.will be changed | B.should change | C.is changed | D.be changed |
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科目: 来源:不详 题型:单选题
A.can | B.might | C.must | D.needn’t |
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科目: 来源:不详 题型:单选题
A.can; must | B.can; may | C.must; can | D.may; must |
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科目: 来源:不详 题型:单选题
A.might | B.must | C.would | D.should |
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