4. He prefers running to walking.
举一反三
- After walking for half an hour, he suddenly realized that he _____ in the wrong direction. A: was walking B: has been walking C: had been walking D: walked
- ( ) 4. Ann prefers a sandwich with plenty of broccoli.
- As long as Michael could remember he had always dreamed of walking.
- His mother prefers that he ___ a different university.
- 青书学堂: I turned back after a while, but he ____________ walking.