问题
选择题
— How do you often go to work?
—I ________go to work by car. But now on foot.
A. used to B. am used to C. am used for
答案
答案：A
题目分析：be used to sth习惯于某事;used to do sth过去常常做某事.句意：你常常怎么去上班？——我过去常常开车去上班。但是现在步行。故选A。
点评：used to用法比较固定，需要注意use还可以作为被动语态使用，sth be used to do sth某物被用来做某事。