摘要： 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
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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
查看习题详情和答案>>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
查看习题详情和答案>>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