My father enjoys very much. He often practises in summer.
A. to swim; swimming
B. swimming; swimming
C. to swim; to swim
D. swimming; to swim
网友回答
A. to swim; swimming
(答案→)B. swimming; swimming
C. to swim; to swim
D. swimming; to swim
解析：句意：我的父亲非常喜欢游泳。他常常在夏季练习游泳。动名词做宾语表示抽象动作，结合语境可知选B。