Упражнение 3. Дополните предложения, используя am / 'm not, is / isn't, are / aren't.

1. Vienna _________ in Austria.
2. Where _________ you from?
3. I __________ on holiday. I'm at work.
4. My teacher ________ funny.
5. I _________ hungry. How much ________ a cheese sandwich?
6. Learning English _________ boring!
It's interesting!