问题
选择题
| — I don't think we have met before. — Yes, once at a party, but we ______. |
A. didn't introduce B. weren't introduced C. haven't introduced D. weren't introducing |
答案
答案：B
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| — I don't think we have met before. — Yes, once at a party, but we ______. |
A. didn't introduce B. weren't introduced C. haven't introduced D. weren't introducing |
答案：B