我老分不清 doesn't isn't ,例如he doesn't apologize for

我老分不清 doesn't isn't ,例如he doesn't apologize for I ( )apologize for that.It doesn't matter.. He doesn't work today / He isn't working today If John doesn't apologize for what he did,I will tell the te Mary _______late for class.A：isn't.B：doesn't.C：doesn't be.D： He doesn't ___milk He doesn't stay ( ). he doesn't know He doesn't like He doesn't like ( ) for it doesn't 、 isn't doesn't的用法