1. --_____do you get to school£¿

-- Of course by bus.

A. How    B. What     C. Why     D. When

2. --____ does it take you to get to school?

-- About twenty minutes.

A. How     B. How long    C. How many times     D. How often

3. --____ is your school from here?

-- About one kilometer.

A. How long     B. How often    C. How far     D. Where