--Jim is good basketball---But he is weak in football.A. at playingB. to playC. in playin

问题补充：

--Jim is good basketball．---But he is weak in football.

A. at playing

B. to play

C. in playing

D. for play

答案：

(答案→)A. at playing

B. to play

C. in playing

D. for play

解析：考查介词。句意：吉姆擅长打篮球。——但是他不善于踢足球。习惯搭配be good at doing sth，表示擅长做某事，故选A