◎ 题干
Experts believe________people can waste less food by shopping only when it is necessary.                                                            
A.why B.where
C.that D.what
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Experts believe________people can waste less food by shopping only when it is necessary. (2013·北京,33)A.whyB.whereC.thatD.what…”主要考查了你对  【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。