问题
选择题
He is _____ at repairing motorcycles.
A quite a expert B a quite expert C quite expert D a very expert
答案
答案：C
本题考查expert的用法。A选项冠词错误；quite 和very不能直接修饰名词；expert有形容词性，be expert at 意思是“擅长……”，故正确选项为C。
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