---How do you go to school, Mr. Li?
---I _____________ to school, because it is good for my health.
A walk    B take the subway    C drive my car    D take the bus

—How do you go to school every day?
—I ____ , but I ____ by bike a year ago.

---How do you go to school every day？---________.

—How do you go to school every day?

—I ____ , but I ____ by bike a year ago.

A．go to school by foot; went

B．would go to school on foot; liked to go

C．walk; used to go

D．will walk to go school; was used to going

---How do you go to school every day？---________.

A．By bikes          B．By bike           C．On bike           D．By a bike