The chemical factory is far away in the mountains. It is nearly ride from the city.
A. a six-hour
B. a six hour’s
C. six hour’s
D. six hour
网友回答
(答案→)A. a six-hour
B. a six hour’s
C. six hour’s
D. six hour
解析：此题重点考查合成形容词的基本构成，数词+名词(+形容词)；合成形容词中的名词(year, hour, metre, month等)必须用单数形式。