A.didn’t use | B.won’t use | C.hadn’t used | D.wasn’t using |
科目:高中英语 来源:不详 题型:单选题
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科目:高中英语 来源:不详 题型:单选题
A.had cleaned | B.has been cleaning | C.had been cleaning | D.has cleaned |
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科目:高中英语 来源:不详 题型:单选题
A.requires; is | B.required; was | C.required; are | D.required; were |
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科目:高中英语 来源:不详 题型:单选题
A.had broken in | B.has been broken into |
C.had been broken into | D.has been broken in |
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科目:高中英语 来源:不详 题型:单选题
A.made; didn’t succeed | B.made; hasn’t succeeded |
C.was making; didn’t succeed | D.has been making; hasn’t succeeded |
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科目:高中英语 来源:不详 题型:单选题
A.have been brought | B.were brought |
C.has been brought | D.had been brought |
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科目:高中英语 来源:不详 题型:单选题
A.has introduced | B.is being introduced | C.is introduced | D.was introduced |
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科目:高中英语 来源:不详 题型:单选题
A.works out | B.had worked out |
C.has been working out | D.was working out |
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