科目: 来源: 题型:选择题
| A. | hadn't | B. | didn't | C. | wasn't | D. | doesn't |
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| A. | can't | B. | mustn't | C. | may not | D. | needn't |
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科目: 来源: 题型:填空题
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| A. | at the right time | B. | for the first time | ||
| C. | from time to time | D. | all the time |
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| A. | so | B. | if | C. | because | D. | unless |
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科目: 来源: 题型:填空题
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| A. | used to have | B. | used to be | ||
| C. | was used to having | D. | was used to being |
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科目: 来源: 题型:选择题
| A. | can | B. | can't | C. | must | D. | mustn't |
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