People at the meeting would have a discussion on pollution.A. were presentB. took part in

发布时间：2020-08-16 09:52:04


People      at the meeting would have a discussion on pollution.
A. were present
B. took part in
C. join in
D. present.

网友回答

A. were present
B. took part in
C. join in
(答案→)D. present.
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