Are you at school at school at school 什么成分

Are you at school at school at school 什么成分 Are you ( )at No.8 Middle School? 同义句are you the top student at school?are you ()()student at school? -------- are you ----------------- at school 填两个单词-------- are you ----------------- at school ,回答 not，bad When you at school对还是When you are at school对哪句有错 are waiting we for all at you the gate school It's so late.Why are you s- at school Are you want to go to school at 16? when you are at your school,where is east? how long are you at school?应该怎样回答? ( ) you ( ) school yesterday?A.Are,at B.Were,in C.Are,in D.Were,at the student are at school are you at it? are you at work you are at my are.you.at. are you staying at I can wait ( ) you at the school gate.A.at B.are C./