◎ 题干
They have not made any decision on _____ they are going to do to deal with the waste and control pollution.
[     ]
A. what
B. whether
C. which
D. that
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“They have not made any decision on _____ they are going to do to deal with the waste and control pollution. [ ]A. what B. whether C. which D. that …”主要考查了你对  【连接代词】【宾语从句】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。