what do you both do?什么词性?

what do you both do?什么词性? do you want both biscuits 什么意思 1、what did you do last weekend what词性是? “what do you do! What ( ) do you do? what do you do what do you mean by that中的by是什么词性,什么意思? what color do you 什么 what would you do什么 what什么did you do? DO you want both tea_____coffee How do you like,what do you think of .like think是什么词性.