Bill is good at playing football but whencomes to basketball he knows nothing.A. heB. that

问题补充：

Bill is good at playing football,but whencomes to basketball,he knows nothing.

A. he

B. that

C. this

D. it

答案：

A. he

B. that

C. this

(答案→)D. it

解析：句意为：比尔喜欢踢足球。说到篮球，他一无所知。it comes to...为固定习语。