Kate is good _______.A.in run B.in running C.at run D.at running
问题描述：
Kate is good _______.A.in run B.in running C.at run D.at running
答
be good at 擅长！at 是介词，所以接动词ing 形式，所以选D
翻译，kate 擅长跑步！！
答
选 D.at running
be good at doing 擅长于做什么
答
D
be good at doing sth擅长做某事
如还有不懂的,还可以继续追问哦\(^o^)/~
答
答案选D at running
be good at doing sth 擅长做某事