Who is it______have the most important role to play in stopping Yellow River erosion? A,who B.that C...
2023-01-28 23:03:44 171次 2010年南安一中高一下学期期末考试英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Who is it______have the most important role
to play in stopping Yellow River erosion?
A,who B.that
C.which D.whom
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