Jim and Kate English.A. are good inB. are good atC. is good atD. are good with

问题补充：

Jim and Kate English.

A. are good in

B. are good at

C. is good at

D. are good with

答案：

A. are good in

(答案→)B. are good at

C. is good at

D. are good with

解析：本题考查be good at（擅长于……）的用法，主语有两个人，故选B。