How deep is the hole?It's ______的答案和讲解A four metre deep B four metres deep C four-metre-deep D four-metres-deep
问题描述：
How deep is the hole?It's ______的答案和讲解
A four metre deep B four metres deep C four-metre-deep D four-metres-deep
答
选B.FOUR MEATRES LONG 是四米长的意思.其结构是数字+单位复数+形容词.
答
选B
four metres deep四米深
答
C
答
C four-metre-deep
这是个形容词：四米深的
答
B
首先排除A D
C的话是做为一个形容词,4米深的,并不能用于回答洞的深度.
答
four metres deep
答
B.英语长度单位复数表示在单位后加"S".