问题
选择题
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
答案
C
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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
C
