isn't working 和doesn't work的区别是什么
isn't working 和doesn't work的区别是什么
He doesn't work today / He isn't working today
isn't aren't don't doesn't的区别!
isn't doesn't don't的区别
he doesn't come from the USA和he isn't from the USA的区别是什么?
she isn't reading a book.和She doesn't read a book.区别是什么?
It doesn't help 和It doesn't work的区别
doesn't work 与 won't work 的区别
Mine is broken Mine isn‘t work Mine doesn’t working 只有第一个对为什
my computer (doesn't \ isn't )work
isn't doesn't的用法
Sandy ____here next month. A.isn't working B.doesn't working