I know Mr. Brown;we __ to each other at an international conference.A. are introducedB. h

发布时间:2020-08-17 14:42:12

I know Mr. Brown;we __ to each other at an international conference.
A. are introduced
B. have been introduced
C. were introduced
D. had been introduced

网友回答

A. are introduced
B. have been introduced
(答案→)C. were introduced
D. had been introduced
解析:在一个国际会议上被介绍显然发生在过去。
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