题目内容
9. Before I came into the new school,I had been
A. afraid of being alone B. afraid of alone C. afraid being alone D. afraid alone
9. A
9. A “担心(忧) ……”,be afraid of中of为介词,后接名
词或动词-ing形式,而alone为形容词,不可直接跟在 介词之后。
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