These are our desks and chairs.变为单数
问题描述：
These are our desks and chairs.变为单数
准确答案应该是This is my desk,and this is chair.但老师说This is my desk and chair.也对.
This是近指指示代词的单数,能同时指这两样东西吗?
答
也对,把desk and chair看做一个整体,就不要非要想成俩东西了.