问题描述:
if it for the snow we the moutain yesterday
If it __________for the snow,we ___________the mountain yesterday.
A.were not; could have climbed B.were not; could climb
C.had not been; could have climbed D.had not been; could climb
选C为什么
If it __________for the snow,we ___________the mountain yesterday.
A.were not; could have climbed B.were not; could climb
C.had not been; could have climbed D.had not been; could climb
选C为什么
问题解答:
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