It's impolite to {{U}}cut in{{/U}} when two persons are holding a conversation.

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:15:27 免费下载:《单选题》Word试卷

It's impolite to {{U}}cut in{{/U}} when two persons are holding a conversation.
A.leave
B.talk loudly
C.stand up
D.interrupt

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