Question

My school isn't far from here. It's only ________ walk. 

A．fifteen minutes

B．fifteen minutes'

C．fifteen minute's

D．fifteen minute

Answer 1

B

一些表示时间、距离等的名词后面可加“-'s”来表示所有格，以-s结尾的复数名词，其所有格只加“-'”构成。