－Are you sure you have to? It’s been so late. Make it another time?

题干

－Are you sure you have to? It’s been so late. Make it another time?
－I don’t know ________ I can do it if not now.

A．how

B．what

C．when

D．that

上一题下一题 0.85难度单项选择更新时间:2012-09-06 01:53:14

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