These___rooms are very beautiful.

问题描述:

These___rooms are very beautiful.
A. lady's
B. ladies'
C. ladie's
D. ladys'

A
Lady's room 是一个短语 是女洗手间的意思
所以不管是不是复数,lady's 一直都要用单数,
如果是复数的话只要在room后面加"s"就可以了