used to do 过去常常 可与表状态的动词be连用,而would do sth 不能与be连用
be used to do sth=be use for doing sth 被用来做
be used to doing sth习惯做某事 答案:stories
used to do 过去常常 可与表状态的动词be连用,而would do sth 不能与be连用
be used to do sth=be use for doing sth 被用来做
be used to doing sth习惯做某事 答案:stories