◎ 题干
I received a number of ________, but ________ of them is valuable to me.
A.advice; both B.advice; all
C.suggestions; bothD.suggestions; none
◎ 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“I received a number of ________, but ________ of them is valuable to me.A.advice; both B.advice; allC.suggestions; bothD.suggestions; none…”主要考查了你对  【专有名词】【名词所有格】【集合名词】【名词】  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。