Once ______ from space, the Great Wall is till great in sight. A. seeing B. to see C. seen D. saw
2023-01-24 13:39:16 152次 2010年重庆市高二上学期期中考试英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Once ______ from space, the Great Wall is till
great in sight.
A. seeing B. to see C. seen D.
saw
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