which book of my brother's 这个句子为什么是问句啊

which book of my brother's 这个句子为什么是问句啊 单句改错∶The book which brought for me by my brother cost a lot of money The book which bought for me by my father cost a lot of money.这句话哪儿错呢? my father bought me an English book,___very beautiful B the cover of which C its cover 为什么B不对 my favourite book theAdventures of Tom Sawyer He's written a book,the name of which I've forgotten.为什么用of which which 的用法the book of the library which is ............which 指的是library 还是book the boy love the book which is ......这里 的 which 指的是 book了吧? --__do you want?--I want a book of interesting stories. 填which book 还是what book 为什么?谢谢! front in my the of book door is.连成句 I borrowed a book from one of my friends.同义句转换!One of my friengs______a book _______ _______. there are five stories described in the book ,------cover is redA of which B which C of them D whose Both of he books are nice,I can't decide ___.A.to choose which book B.which book to choose C.which book do I choose D.what book I choose which引导的定语从句WHICH能当主语吗?Gay,a kind of social phenomenon,which has been discussed by people for a long time.This is a book,from which i borrow my friend.同性恋,一种社会现象,已经被人们讨论很长时间了.这是一 WHICH引导的定语从句WHICH能当主语吗?Gay,a kind of social phenomenon,which has been discussed by people for a long timeThis is a book,from which i borrow my friend.同性恋,一种社会现象,已经被人们讨论很长时间了.这是一 the book is mine这个the是不要换成this?the book of my own 定语从句里这个of+which等于什么词?This is the book of which the cover was broken. 这里的of which可以用哪个词代替? I lost the book which my father had given me.关联词which能不能换成that?请简单说明理由. I bought a book ( ) my friend recommended.是否填 that 或 which 都可以?为什么?