He walked _________. I couldn’t _________ with him.A．fast enough; catch onB．fast

题干

He walked _________. I couldn’t _________ with him.

A．fast enough; catch on	B．fast enough; catch up
C．enough fast; catch on	D．enough fast; catch up

上一题下一题 0.65难度单选题更新时间:2019-05-17 09:52:59

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