-How do you usually go to work, Miss Green?

--I usually go to work ___ foot, but sometimes __ my bike.

        A. on, by  B. on, on  C. by, on  D. by, by

“How do you usually go to work?”

“I usually ______ to work.”

1. A.
   on foot
2. B.
   by bus
3. C.
   on my bike
4. D.
   walk

--How do you usually go to work, Miss Green?

--I usually go to work       foot, but sometimes       my bike.

1. A.
   on, by
2. B.
   on, on
3. C.
   by, on
4. D.
   by, by

---How do you usually go to work, Miss Green?
---I usually go to work ______ foot, but sometimes ______ my bike.

1. A.
   on, by
2. B.
   on, on
3. C.
   by, on
4. D.
   by, by