There are mang spots things in ______ rooms.A.Tom and Bob's B.Tom's and Bob's为什么?

问题描述:

There are mang spots things in ______ rooms.A.Tom and Bob's B.Tom's and Bob's
为什么?

B
后边rooms 加复数了 所以是两件房间
A表示的是tom和Bob共同的房间是一间