科目: 来源: 题型:阅读理解
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科目: 来源: 题型:阅读理解
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科目: 来源: 题型:选择题
A. | to carry out | B. | being carried out | ||
C. | carried out | D. | to be carried out |
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科目: 来源: 题型:选择题
A. | was performing | B. | has performed | ||
C. | has been performing | D. | had performed |
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A. | mustn't have gone | B. | wouldn't have gone | ||
C. | can't have gone | D. | shouldn't have gone |
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科目: 来源: 题型:选择题
A. | thirty minute's | B. | a thirty minute's | ||
C. | thirty-minutes | D. | a thirty-minute |
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科目: 来源: 题型:选择题
A. | studied | B. | had studied | ||
C. | am studying | D. | have been studying |
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科目: 来源: 题型:选择题
A. | is increased | B. | are increased | C. | has increased | D. | have increased |
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科目: 来源: 题型:选择题
A. | are working | B. | work | ||
C. | have been worked | D. | have been working |
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