Mary is gooddrawing.A. forB. atC. toD. with

问题补充：

Mary is gooddrawing.

A. for

B. at

C. to

D. with

答案：

A. for

(答案→)B. at

C. to

D. with

解析：for为了；at在一点；to 向，到； with带有，伴随。句意：玛丽擅长绘画。Be good at擅长……，故选B。