Afterwalk，they all felt tired.A. three hoursB. three-hoursC. three hour’sD. three hours’

发布时间：2020-08-17 13:42:02

After    walk，they all felt tired.
A. three hours
B. three-hours
C. three hour’s
D. three hours’

网友回答

A. three hours
B. three-hours
C. three hour’s
(答案→)D. three hours’
解析：表时间的名词所有格用’s式，且以s结尾的复数名词所有格只加’，s省去。
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