I have the same book as him与I have a book the same as him的区别

I have the same book as him与I have a book the same as him的区别 I have the same pants as him”里as后面为什么用him不用his I have the same age as him还是he?I have the same age as he doe I have the same book as (the book which)is you bought yester I have the same book __you A.with B.as C.to D.for I have the same book as _________.填yours还是you?为什么? I have the same feeling as you! I have the same age as ... I have the same typewriter as ______ I have the same sound as too. I want the same book as you read. This is the same book as I lost yesterday.类似