The question that puzzled them is ____ they can get rid of the air pollution in the area. A. how is ...
2022-12-02 16:11:32 203次 2013-2014学年福建省高三上学期第一次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The question that puzzled them is ____ they can get
rid of the air pollution in the area.
A. how is it that B. that
how C.
that it is how D.
how it is that
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