题目内容：

whose room is this?It's___.they are brothers.A:Jack;s and Jim's B .jack and jim's C.jack's and
whose room is this?It's___.they are brothers.
A:Jack;s and Jim's B .jack and jim's C.jack's and jim D Jack and Jim
为什么的？是 jack's and jim's 为什么不选他。老师不是说 and 前后句式一样吗？分不清

优质解答

选 B .Jack and Jim's
房间是Jack and Jim共有的东西 ,就用一个 ’s
如果他两人各有各的房间就选A
These are Jack‘s and Jim's rooms.