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
人气：105 ℃ 时间：2019-10-23 07:44:36
解答
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.
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