There is no doubt _________ the world climate has been changing in recent years. A. that B. what C. ...
2023-01-21 07:33:52 111次 2011-2012年湖南省高二上学期期中考试英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
There is no doubt _________ the world climate
has been changing in recent years.
A.
that B.
what C.
if D. whether
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