We shouldn't have come north for Christmas vacation. If we _______, we wouldn't

题干

We shouldn't have come north for Christmas vacation. If we _______, we wouldn't be stuck in the snow right now.

A．wasn't

B．didn't

C．hadn't

D．weren't

上一题下一题 0.4难度单项选择更新时间:2012-05-15 07:31:06

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