科目: 来源: 题型:选择题
A. | is | B. | be | C. | should be | D. | to be |
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科目: 来源: 题型:选择题
A. | work | B. | will work | C. | worked | D. | have to work |
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科目: 来源: 题型:填空题
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科目: 来源: 题型:选择题
A. | hasn't made | B. | hadn't made | ||
C. | won't have made | D. | wouldn't have made |
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科目: 来源: 题型:选择题
A. | didn't | B. | hadn't | C. | hasn't | D. | haven't |
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科目: 来源: 题型:选择题
A. | must | B. | should | C. | could | D. | will |
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