they are their computer.单数 this is my watch.复数 whose teacher are these?they are ours.单数
问题描述:
they are their computer.单数 this is my watch.复数 whose teacher are these?they are ours.单数
ls this your pencil?yes,it is.复数
答
It is their computer.
These are our watches.
Whose teacher is he/she?He/she is mine.
希望对你有帮助还有后面啊一个Are these your pencils?Yes, they are.