we have already enjoyed our ___ spring vacation in Chuxiong

问题描述:

we have already enjoyed our ___ spring vacation in Chuxiong
A.ten-day B.ten day C.ten day's D.ten-days
这道题应该选什么?为什么?

选A.加上连词符号后就变为一个词了,后面不用加复数形式.B错因为没s.C错因为后面应该是s'.D错因为后面加了s.