There is no doubt _____ China has made rapid progress in space exploration. A． whether B． that C． wh...
2023-01-25 18:20:15 210次 2010年湖南省高二水平考试三模英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
There is no doubt _____ China has made
rapid progress in space exploration.
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A． whether
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B． that
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C． which
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D． who
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