科目: 来源:不详 题型:单选题
A.prepares | B.is preparing | C.had prepared | D.has been preparing |
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科目: 来源:不详 题型:单选题
A.has got across | B.have got across | C.will get across | D.would get across |
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科目: 来源:不详 题型:单选题
A.have conducted | B.have been conducted |
C.had conducted | D.had been conducted |
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科目: 来源:不详 题型:单选题
A.had spread | B.has spread | C.spread | D.spreads |
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科目: 来源:不详 题型:单选题
A.doesn’t rain | B.didn’t rain | C.hasn’t rained | D.hadn’t rained |
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科目: 来源:不详 题型:单选题
A.will make | B.had made | C.was making | D.makes |
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科目: 来源:不详 题型:单选题
A.worked | B.have worked | C.have been working | D.had worked |
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科目: 来源:不详 题型:单选题
A.experienced; experienced; experience | B.experience; experienced; experiences |
C.experienced; has experienced; experiences | D.experience; has experience; experience |
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科目: 来源:不详 题型:单选题
A.have worked out | B.have been working out |
C.have worked on | D.have been working on |
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科目: 来源:不详 题型:单选题
A.is used to produce | B.is used to produced |
C.is used to producing | D.used to produce |
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