◎ 题干
— Sorry, I have to _____ now. It's time for class.
— OK, I'll call back later.
[     ]
A. hang up
B. break up
C. give up
D. hold up
◎ 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“— Sorry, I have to _____ now. It's time for class. — OK, I'll call back later. [ ]A. hang upB. break upC. give up D. hold up …”主要考查了你对  【动词短语】  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。