科目: 來源: 題型:選擇題
A. | ought to have | B. | have to | C. | should | D. | must have |
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科目: 來源: 題型:選擇題
A. | /; the | B. | the; the | C. | the; an | D. | /; an |
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科目: 來源: 題型:短文改錯(cuò)
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科目: 來源: 題型:閱讀理解
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科目: 來源: 題型:閱讀理解
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科目: 來源: 題型:選擇題
A. | leave; worked | B. | has left,has worked | ||
C. | left; has worked | D. | has left; worked |
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科目: 來源: 題型:選擇題
A. | for the first time | B. | the first time | ||
C. | at the first time | D. | in the first time |
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科目: 來源: 題型:選擇題
A. | Not receiving | B. | Not received | ||
C. | Not having received | D. | Having not received |
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