晨光k35笔芯型号:一道简单的英语题

来源:百度文库 编辑:高考问答 时间:2024/05/11 14:49:57
Who's better than you ( )singing,A or B?

at

be good at

at

be good at , 擅长, 用固定搭配的介词at.

at

at

in