this school is which you visit last year 为什么不是表语从句?

This is the reason whyor which he is late for school.为什么which前要加for This is the school in which I spent three years.This is the school where I spent three years.相同 Is this school ____we visited last year?A.which B.in which C.the one D.at which Is this school you used to study?空白处应填where还是at which,为什么?空白处在this 和school 之间 this is my school This is my school is this the school that you vistied last year这里that 为甚么不能用which 请问Is this school ______ your father worked in ten years ago?可不可以用which? This is the school ___ they visited last month.A.which B.where 选哪个? 5.This is the second school ____ I used to work at.填that 还是which? This is the primary school----I shudied three years ago A where B which this school is which you visit last year 是表语从句么?这句话对么? this school is which you visit last year 为什么不是表语从句? which school is lucy?翻译 which is a school 造句 This is the school ____I worked seven years ago.A.in which　 B.in that　　C.which D.that This is the school which I taught last year.请问which前可以加介词at吗?This is the school in which I taught last year.其中in可以用at代替吗？ This Is my beautiful school ( )is near the famous library.a.Where b.which c.Who D.When