◎ 题干
They didn't watch TV _______ they finished their homework.

[     ]

A. when
B. as
C. while
D. until
◎ 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“They didn't watch TV _______ they finished their homework. [ ]A. when B. as C. while D. until …”主要考查了你对  【从属连词】【状语从句】  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。