◎ 题干
The black baby boy is at the stage      he can only say a few simple words but not yet full sentences.
A.whenB.whereC.whichD.why
◎ 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“The black baby boy is at the stagehe can only say a few simple words but not yet full sentences.A.whenB.whereC.whichD.why…”主要考查了你对  【状语从句】【限制性定语从句】【主语从句】【同位语从句】  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。