Question

Do you go to work by bus ? _______ A .yes,but I did B.No,but I do C.No,but I used to

D.No,but I did not

Answer 1

选C No, but I used to
Do you go to work by bus?
你经常坐公交车上班？
No, but I used to.
没有，但是以前是。

Answer 2

答案选C.No,but I used to
不是，但是我过去常（坐公共汽车）。
Used to do sth 过去常常做某事

Answer 3

C “不是，但曾经是。”
Used to do sth 过去常常做某事

Answer 4

C