He is good at swimming.A. goesB. enjoysC. learnsD. does well in

问题补充：

He is good at swimming.

A. goes

B. enjoys

C. learns

D. does well in

答案：

A. goes

B. enjoys

C. learns

(答案→)D. does well in

解析：句意：他擅长于游泳。Be good at擅长于；A走;B喜欢；C学习；D擅长于；be good at= does well in在某方面做的好；故选D。