—Why not talk with your parents about your willingness to attend 2017 Peking Uni

题干

—Why not talk with your parents about your willingness to attend 2017 Peking University Summer Camp?
—I tried____ to get them to listen to me.

A．in time	B．in vain
C．in need	D．in case

上一题下一题 0.64难度单项选择更新时间:2012-10-14 04:33:04

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