There was no bus in that small town .We had a -------.A.ten miles walk B.ten- mile walk C.ten mile”s walk D.tenth mile walk 为什么?

There was no bus in that small town .We had a -------.A.ten miles walk B.ten- mile walk C.ten mile”s walk D.tenth mile walk 为什么?
There was no bus in that small town .We had a -------.
A.ten miles walk
B.ten- mile walk
C.ten mile”s walk
D.tenth mile walk 为什么?

There was no bus in that small town .We had a -------.A.ten miles walk B.ten- mile walk C.ten mile”s walk D.tenth mile walk 为什么?
B
数词加连字符加量词,是形容词
如an eight-year-old boy
量词要用单数

B
这是个固定形式
要不就是ten miles‘ walk

b固定用法

b 加了-,相当形容词