isn't/aren't working和doesn't/don't working 用法区别!

isn't working 和doesn't work的区别是什么 isn't aren't don't doesn't的区别! He doesn't work today / He isn't working today 请问don't,doesn't,aren't的用法? 用am not,aren't,isn't,can't,don't,doesn't填空 am not, aren't, isn't, can't, don't doesn't don't 和aren't用法上的区别 The shower isn"t working. THE SHOWER ISN'T WORKING Sandy ____here next month. A.isn't working B.doesn't working isn't doesn't don't的区别 用am not.aren't.isn't.don't.doesn't.来完成句子.