A clean environment can help the city bid for the Olympics, which ______ will promote its economic d...
2022-11-29 00:32:56 160次 2013-2014学年河北省高三下学期开学调研考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
A clean environment can help the city bid for the Olympics, which ______ will promote its economic development.
A. in turn B. in fact C. in return D. in nature
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