A major issue was put forward by some representatives at the conference ____ the teachers in the re...
2023-02-15 00:11:01 29次 2010年上海市卢湾区高考模拟考试 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
A major issue was put
forward by some representatives at the conference ____ the teachers in the
remote areas were underpaid.
A. whether B.
at which C. where D.
that
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