I regret _______ that I’m busy ______ my lessons.A．to say; to prepareB．to say; p

题干

I regret _______ that I’m busy ______ my lessons.

A．to say; to prepare	B．to say; preparing
C． saying; to prepare	D．saying; preparing

上一题下一题 0.64难度单项选择更新时间:2016-02-22 09:35:27

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