青书学堂: I turned back after a while, but he ____________ walking.
举一反三
- 青书学堂: ( )—Would you mind if I turned the radio up? —_____.
- He was walking ( ) along the corridor. A: back up B: back down C: back and forth D: back of
- 青书学堂: When she got home after school, she turned on the TV ______ did her homework.
- 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
- ____to school yesterday morning, I met a friend of mine. A: I was walking B: walked C: While I walking D: walking