问题
选择题
Tony used to ______ to school ,but he is used to _______ to school now .
A. walk ;taking a bus B. walked ;took a bus C. walk ; take the bus
答案
答案：A
此题重点考查be used to doing sth和used to do sth 两个句型结构的区别和意义。前者是习惯做某事，后者表示过去常常做某事，现在不做了。