请解释语法结构Who is that girl you were with last night?

请解释语法结构Who is that girl you were with last night? Where were you last night? ‘who is that girl Who is that girl? 7.I wish that I _____ with you last night. 连词成句last did night what he eat?is go you who going to with?a 英语的对话练习,（ ）were you last night?I was in the cinema.Who went Who is the girl you want to make friends with? Is that girl ____ you operated on last month? who is the old man with whom you were talking? what were you last night?答句要六句 were you at home last night?