问题补充:
If you take a bus,it will only take you 10,but it’s about 30 walk if you want to go there on foot.
A. minutes;minutes’
B. minutes;minutes’
C. minutes’;minutes’
D. minutes;minute’s
答案:
(答案→)A. minutes;minutes’
B. minutes;minutes’
C. minutes’;minutes’
D. minutes;minute’s
解析:30 minutes’ walk 步行30分钟的路。