A half hour of jogging is equivalent to about an hour of rock climbing.
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'
- You need about half an hour to walk .
- It usually _______ mum about half an hour to cook supper.
- Yesterday we had （） talk. A: Aone and a half hour’s B: Bone and a half hour C: Can hour and a half’s D: Dan hour’s and a half
- It takes Tom half an hour to go to schoolTom ______ half an hour ______ to school.