题目内容：

It ____ this way.A.used to do B.used to be done C.is used to doD.is used to为什么?why?

优质解答

B这里涉及到used to 的几个用法1.be used to 意为“习惯于”,其中的 to 是介词,所以其后要接名词或动名词(不能接动词原形)；如：He is used to looking after himself.他已习惯于自己照顾自己2.used to 意为“过去经...