◎ 题干
He used to _____ being alone, but now he has grown up.
[     ]
A. be afraid of
B. afraid of
C. be afraid to
◎ 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“He used to _____being alone, but now he has grown up. [ ]A. be afraid of B. afraid ofC. be afraid to …”主要考查了你对  【动词短语】【介词】  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。