The Sutong Highway Bridge, a bridge, is open to traffic.
A. 320 metre long
B. 320-metre-long
C. 320 metres long
D. 320-metres-long
网友回答
A. 320 metre long
(答案→)B. 320-metre-long
C. 320 metres long
D. 320-metres-long
解析:在英文中修饰名词表示量,可用连字符将单词连在一起,不使用复数,故本题选B。