英语中,which,of which,in which .在什么情况下用 .

英语中,which,of which,in which .在什么情况下用 . which,in which,on which,for which ,of which 有什么区别,在定语从句中怎么用?如：That is the day ( ) I'll never forget.A.which B.on which C.in which D.when which,in which,on which,for which ,of which 有什么区别,在定语从句中怎么用?如：That is the day ( ) I'll never forget.A.which B.on which C.in which D.when 选什么? 英语 i have ten books,four of which are written in英语 i have ten books,four of which are written inEnglish.这里为什么用which? 英语中填介词,of which和in which的区别…… 定语从句中,什么时候用Which什么时候用of which in which on which which,in which,on which,for which ,of which 有什么区别,在定语从句中怎么用 英语单选He made another wonderful discovery,_______ ,of great importance to scienceA.which i think is B.WHICH I THink C.which I think it D.I think which one of which中which一定指代名词复数吗 I like stories which are interesting中which是不是主语 十万火急的英语问题：he has written a book the name of which i have forottenthe name of which i have forotten这个结构看不懂 of which,about which,和其他介词+which在定语从句中用法 of which /in which / with which /for which 的用法 定语从句中of which的用法 I have bought two pens,_write well.A.none of which B.neither of which C.both of which D.all of which Mother bought us a present ------I saw in that store,------made me very happy.A.which,that B.that,which C.of which,that D.in which,which look good on 初三英语中,有一句I can't to choose which pair of jeans to buy.they both look good on me.look good on me the meeting,at which i will give a speech ,is on a project of which i am the leader后面的of which是什么意思,是定语从句吗?为什么which前面要加of,而且of which在定语从句中不是等于whose吗,要是这样讲不通呀