题干


.— 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

上一题 下一题 0.0难度 选择题 更新时间:2019-11-14 09:16:05

答案(点此获取答案解析)

B