i went to the beach with my sister.(对划线部分提问)

问题描述:

i went to the beach with my sister.(对划线部分提问)
( ) ( )you( )to the beach(

是对my sister划线吧,答案是 who did you go tothe beach with?
对人划线,疑问词就用who,把原句改成一般疑问句照写.