题目内容
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
答案：C
解析：
解析：
虚拟语气与过去事实相反，从句用过去完成时，主句用could + 完成时态表示。
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相关题目
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 |
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．hadn’t been, could climb |