9. John Goodman was hoping to run each mile in round about seven minutes although the first mile marker showed that he had taken nine and half minutes to run.
举一反三
- He (be) there for more than twenty minutes when Bill (run) into the room.
- 【单选题】Walking briskly for thirty minutes will burn as many calories as__________. A. to run for fifteen minutes B. running for fifteen minutes C. you run for fifteen minutes D. fifteen minutes walking
- Once it was decided that to cover a mile in four minutes was physically impossible for humans.
- Listen to the following dialogue, and then choose the best answer for each question. A: About 5 minutes B: About 10 minutes C: About 15 minutes D: About 20 minutes
- "Diseconomies of scale" occur in ( ) A: the long run, but not the short run. B: the short run, but not the long run. C: both the short run and the long run. D: neither the short run nor the long run.