使用冠词a和an填空。

1. I have got ______ umbrella.
2. He is ______ teacher.
3. This is ______ orange.
4. She has got ______ pen.
5. It is ______ car.
user
1. I have got **an** umbrella.  
2. He is **a** teacher.  
3. This is **an** orange.  
4. She has got **a** pen.  
5. It is **a** car.
assistant