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To improve their oral English, everyone in the class is supposed to ______ actively in these discussions.

A.participate7 O/ [ ?; _. A% X B.attend5 Y2 L/ E1 ^* d" O, A7 P* S C.enter9 ]/ T7 F2 a1 O4 K D.take- Q* f8 O5 f* M

答案A

解析