河南成教 / 大学英语
正确率：100%
9、It is _ _ from my school to the railway station.
A. two-hours walk
B. two-hour’s walk
C. two-hour walk
D. a two-hour walk
A. two-hours walk
B. two-hour’s walk
C. two-hour walk
D. a two-hour walk
参考答案：
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