◎ 题干
I had to ______ because someone else wanted to use the phone.
[     ]
A. give up
B. put up
C. hang up
D. ring up
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“I had to ______because someone else wanted to use the phone. [ ]A. give up B. put up C. hang upD. ring 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。