My friend,Jim,is a good student.Jim后面一定要加逗号吗

My friend,Jim,is a good student.Jim后面一定要加逗号吗 my,this,Jim,is,friend,mum,good Jim,_______is Lucy.She is my good friend.A.she is B.they are Jim is my good friend. We are in the same school. He is an A Jim,( )is Julia.She is my good friend.A:she B:this C:he D:th friend mun good my this jim is 怎么连,急 Jim is my good friend的同义句!【题目如下：jim is（）good friend （） （） ( )is my brother Jim.Jim,( )is my friend Amy.A.This;she B.he My good friend,Jim,_____ thrillers best. my good friend,jim,like thrillers _____ Jim is one of my____(good)friend oh,( )( )my friend,tom.tom,( )( )my good friend,jim