(1).in an experiment,they didn't notice me entering the room.( )A.Engaging B.Having engagedC.Engaged D.To be engaged(2)--What do you enjoy most .in the summer holidays?--Playing table tennis.( )A.kill
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C B C======以下答案可供参考======
供参考答案1:
C D B我做的,不知道是否正确