—Do you know what to do in the lab, Mike? —Oh, sorry I don’t----just _____if I

题干

—Do you know what to do in the lab, Mike?
—Oh, sorry I don’t----just _____if I could get a ticket for the Shanghai Expo.

A．wonder	B．wondered
C．wondering	D．having wondered

上一题下一题 0.85难度单项选择更新时间:2010-07-10 03:00:34

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