Climbing Mount Everest great skills and not without risk. A. requires；are B. required；were C. requir...
2023-01-14 14:14:39 160次 2011-2012学年四川省高三九月诊断考试英语题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Climbing Mount Everest great
skills and not without
risk.
A.
requires；are B. required；were
C. requires；was D. requires；is
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