科目: 来源:不详 题型:单选题
A.could have called ; knew | B.could have called ; had known |
C.could call ; had known | D.could call ; knew |
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科目: 来源:不详 题型:单选题
A.Bob had walked farther | B.if Bob should walk farther |
C.had Bob walked farther | D.if Bob walked farther |
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科目: 来源:不详 题型:单选题
A.be held | B.must be held | C.held | D.should hold |
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科目: 来源:不详 题型:单选题
A.couldn’t | B.shouldn’t be | C.mustn’t have been | D.oughtn’t to have been |
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科目: 来源:不详 题型:单选题
A.must | B.might | C.should | D.can |
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科目: 来源:不详 题型:单选题
A.could; Yes | B.didn’t; No | C.have; No | D.couldn’t; Yes |
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科目: 来源:不详 题型:单选题
A.should | B.can | C.must | D.will |
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科目: 来源:不详 题型:单选题
A.would | B.should | C.could | D.might |
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科目: 来源:不详 题型:单选题
A.would | B.should | C.could | D.might |
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科目: 来源:不详 题型:单选题
A.could have expressed | B.could express | C.must have expressed | D.would express |
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