You need about half an hour to walk .
举一反三
- It is about ______ walk from here to the office. A: half an hour's B: half a hour's C: half an hours'
- Henry walked for OD_e hour and a half to get home． →It______Henry one hour and a half to walk home．
- A half hour of jogging is equivalent to about an hour of rock climbing.
- It often takes me half an hour ( ) home. A: walking B: to walk C: walked D: walk
- 8. “Need I hand in my article in half an hour?” “Yes, you ____________.” A: A) do B: B) may C: C) need D: D) must