It is pen复数.和this is an eraser复数.还有he isboy复数
问题描述:
It is pen复数.和this is an eraser复数.还有he isboy复数
答
they are pensthese are erasersthey are boys
It is pen复数.和this is an eraser复数.还有he isboy复数
they are pensthese are erasersthey are boys