Are you good at?A. swimB. swimmingC. to swimD. swam

发布时间：2020-08-16 19:43:40

Are you good at    ?
A. swim
B. swimming
C. to swim
D. swam

网友回答

A. swim
(答案→)B. swimming
C. to swim
D. swam
解析：考查短语 be good at doing 擅长做某事，所以选B 。
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