问题
选择题
Her daughter is pretty good _____ dancing .She won first prize last week.
A．with
B．for
C．in
D．at
答案
答案：D
题目分析：句意：她的女儿十分擅长跳舞。上周她得了第一名。分析：考查固定短语：be good at doing sth.擅长做什么。因此选择介词at.故选D
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