five meter,five meters,five meters' 选择哪个?
问题描述:
five meter,five meters,five meters' 选择哪个?
The hole is____ deep.It is dangerous.We should put a sign.
five meter five meters five meters'
三个答案应该选哪个?
为什么?
答
第2个
第一个应该是FIVE-METER
第3个没这样用的