◎ 题干
Bad luck! We ______ the mountain when it rained heavily.
[     ]
A. climbed
B. will climb
C. are climbing
D. were climbing
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Bad luck! We ______ the mountain when it rained heavily. [ ]A. climbedB. will climbC. are climbingD. were climbing …”主要考查了你对  【过去进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。