问题
选择题
| —You don't look well. What's the matter? —I _______ sleep well. |
| A. don't B. didn't C. won't D. haven't |
答案
答案：B
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| —You don't look well. What's the matter? —I _______ sleep well. |
| A. don't B. didn't C. won't D. haven't |
答案：B