◎ 题干
Tony showed me his new cell phone,  _______  was small but it could change colors in different weather.  
A.the screen of whomB.whom the screen of
C.which the screen ofD.the screen of which
◎ 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“Tony showed me his new cell phone, _______ was small but it could change colors in different weather.A.the screen of whomB.whom the screen of C.which the screen…”主要考查了你对  【可数名词及其单复数】【动名词】【表语从句】【缩写与简写】  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。