Mum,these are my friend,Jim and Mary哪里错了

Mum,these are my friend,Jim and Mary哪里错了 Mum,they are my friends.Jim and and Mary.哪里错了 Mum,they are my friends.Jim and and Mary.那里错了 Mum,they are my friends.Jim and Mary.那里错了 these are my friend's CD's 哪里错了 Mom,they are my friends,Jim and Mary错在哪里 Are these your friend哪里错了 ( )my good friend,Kate and Mary.选they are还是these are? 为什么 MY friend younger than Mary哪里错了 My friend heavier than Mary.哪里错了 my,this,Jim,is,friend,mum,good These are my friend