科目: 来源:不详 题型:单选题
A.needn’t | B.mustn’t | C.may not | D.won’t |
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科目: 来源:不详 题型:单选题
A.needn’t have told | B.didn't need to tell | C.wouldn't have told | D.couldn't have told |
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科目: 来源:不详 题型:单选题
A.has to leave | B.must leave | C.has to be left | D.must be left |
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科目: 来源:不详 题型:单选题
A.wouldn't have failed | B.can't have failed | C.mustn’t have failed | D.might not have failed |
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科目: 来源:不详 题型:单选题
A.would see | B.could meet | C.might have seen | D.might see |
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科目: 来源:不详 题型:单选题
A.when | B.before |
C.which | D.that? |
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科目: 来源:不详 题型:单选题
A.have to | B.used to? |
C.needed to | D.ought to? |
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科目: 来源:不详 题型:单选题
A.should have failed |
B.couldn’t have failed? |
C.might have failed |
D.shouldn’t have failed? |
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科目: 来源:不详 题型:单选题
A.might study | B.could study? |
C.should have studied | D.must have studied? |
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科目: 来源:不详 题型:单选题
A.should be more careful | B.could be more careful | C.should have been more careful |
D.must have been more carefully |
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