The dress,which I bought yesterday,looks very nice.不明白为什么要用WHICH来引导后面的话呢 直接说I BOUGHT不行吗

I don't know which dress (wear) I still remember the day ___she first wore that green dress.A.which B.in which C.no that D.on which The dress,which I bought yesterday,looks very nice.不明白为什么要用WHICH来引导后面的话呢 直接说I BOUGHT不行吗 I have bought the same dress( )she is wearing.为什么只能填as,而不能填that,which? I have bought the same dress ( )she is wearing.括号里是as 还是that 、which 为什么? Which are is mire beautiful the dress or the jacket? 同义句转换 1.The boy is so young that he can't dress同义句转换 1.The boy is so young that he can't dress himself.The boy is _______ _______ _______ _______ dress himself.2.I spent ten yuan buying that book.I _______ ten yuan _______ that bo 同义句转换 1.The boy is so young that he can't dress同义句转换 1.The boy is so young that he can't dress himself.The boy is _______ _______ _______ _______ dress himself.2.I spent ten yuan buying that book.I _______ ten yuan _______ that bo I still remember the day ____she first wore that pink dress.这里空格处填 on which,没想明白,我觉得就填which就可以了. I can't decide which dress to buy 为什么不可以说是I can't decide to buy which dress The red dress is mine.用which提问 listen ,the piece of music ______(sound) so nice.I'd like the blue dress _____(which has) flowers on it I can't decide which dress to buy.The red one ____is the blue one.为什么不能填so nice as? 用which 提问:Kitty likes the red dress.Kitty likes the blue dress.二.对括号里部分提问1.I like (this new) dress.2.Ben likes the books (on the shelf).3.She wants (the red) apple.4.I can turn left (at the first) crossing.5.There are (hundred I like the dress very much. I like the dress ()().(同义句） I like the dress very much.I like the dress ( ) ( )改为同义句 I like the dress very much.（改为同义句） I like the dress ____ ____. i like the dress very much .（改为同义句） i like the dress --------- ------