题目内容
I know Mr. Brown; we ______ to each other at an international conference.
A. are introduced B. are been introduced
C. were introduced D. had been introduced
C
解析:
由前句:know,说明introduced为以前的被动。

练习册系列答案
相关题目
I know Mr. Shuili; we ______ to each other at an English lecture.
A.were introduced |
B.are been introduced |
C.are introduced |
D.had been introduced |