Many students signed up for the race in the sports meeting to be held next week. A.800-metre-long B.800-metres-long C.800-metre length D.800 metres length 简析:选A.由连字符构成的合成形容词通常用作所修饰名词的前置定语.且中间的名词用单数.无连字符的形容词短语用作所修饰名词的后置定语.且中间的名词根据情况可以用单数.也可以用复数. 【查看更多】
