It ____ this way.A.used to do B.used to be done C.is used to doD.is used to为什么?why?
问题描述:
It ____ this way.A.used to do B.used to be done C.is used to doD.is used to为什么?why?
答
It ____ this way.A.used to do B.used to be done C.is used to doD.is used to为什么?why?