I didn’t know Headmaster Weng was away for Beijing. I to his office yeste

题干

I didn’t know Headmaster Weng was away for Beijing. I to his office yesterday.

A．mustn’t have gone	B．needn’t have gone
C．wouldn’t have gone	D．couldn’t have gone

上一题下一题 0.64难度单项选择更新时间:2013-01-23 11:41:29

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