this is ____i want.可不可以填which.为什么

this is ____i want.可不可以填which.为什么 英语语法this is the book 【which】 I want to watch中的which可不可以换成tha This is the school ____I worked seven years ago.A.in which This is the factory ___ they want to visit.应该填which还是where? This an exciting place ____I have ever visited.空格处为什么用which而 I want to buy a gift,____ is expensive.为什么这道题不能填which呢? 请教几道英语填空题1、this is the hotel ____i like to stay.A:in which B This is the reason ____I did it. This is the book _____we are looking for,为什么填which, This is where/in which the spaceship landed .这句话中为什么填in whic 1.this is the book -------- i wrote last year 为什么不填WHICH,而要用 This is the book which I am looking for 中 which可不可以省略?还有whic