1.The dog is a useful animal.2.At that time,he was studying in a university.And it was a famous one.请问上面两句为什么用a不用the 我认为应该是a dog啊希望有不一样的回答另外one指什么?

分类: 作业答案 • 2022-04-20 11:31:29

问题描述：

1.The dog is a useful animal.
2.At that time,he was studying in a university.And it was a famous one.
请问上面两句为什么用a不用the 我认为应该是a dog啊希望有不一样的回答另外one指什么?

答