Liu xiang,211,is an olympic winner in the () hundles.we're proud of him.A.110-metresB.110 metres

问题描述:

Liu xiang,211,is an olympic winner in the () hundles.we're proud of him.A.110-metresB.110 metres
C.111 metre D.111-metres
不小心打错了
110-metre

A 110-metre 和 12-year-old boy 一样,做adj,用“-”连接时,不加复数的“s”
如有问题,欢迎继续追问:)那B为什么不行?要加“-”, adj.+n. hurdle是名词,前面就要有形容词,得用“-”连