The market isn’t far from here. It’s only bicycle ride.A. half an hours’ B. half an hour’

问题补充：

The market isn’t far from here. It’s only bicycle ride.

A. half an hours’

B. half an hour’s

C. half an hour

D. an hour and a half

答案：

A. half an hours’

(答案→)B. half an hour’s

C. half an hour

D. an hour and a half

解析：“它仅仅半小时的自行车车程”半小时half an hour排除D。又因为“半小时”为单数，所以所有格应为half an hour’s所以选B