问题
选择题
The building is ___.
A．twenty-metre-high
B．twenty metre high
C．twenty-metres-high
D．twenty metres high
答案
答案：D
如用A刚应是twenty-metres-high，其它都不符合。
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The building is ___.
A．twenty-metre-high
B．twenty metre high
C．twenty-metres-high
D．twenty metres high
答案：D
如用A刚应是twenty-metres-high，其它都不符合。