科目: 来源:不详 题型:单选题
A.doesn’t clean | B.isn’t cleaned | C.hasn’t cleaned | D.hasn’t been cleaned |
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科目: 来源:不详 题型:单选题
A.think | B.have thought | C.thought | D.am thinking |
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科目: 来源:不详 题型:单选题
A.phoned | B.phone | C.will phone | D.have phoned |
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科目: 来源:不详 题型:单选题
A.schedules | B.is scheduled | C.had scheduled | D.had been scheduled |
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科目: 来源:不详 题型:单选题
A.has done | B.would do | C.had done | D.did |
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科目: 来源:不详 题型:单选题
A.was preparing | B.have been preparing | C.had prepared | D.prepare |
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科目: 来源:不详 题型:单选题
A.have played | B.is playing | C.are playing | D.had played |
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科目: 来源:不详 题型:单选题
A.has taken away | B.was taking away |
C.had taken away | D.is taking away |
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科目: 来源:不详 题型:单选题
A.have worked | B.worked | C.was working | D.had been working |
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科目: 来源:不详 题型:单选题
A.will have worked; has arrived | B.was working; arrived |
C.will be working; arrives | D.is working; is arriving |
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