8. Write positive or negative short answers (Yes, I am / No, he isn't etc.).

Решение:

1. Yes, I am / No, I'm not.
2. Yes, I am / No, I'm not.
3. Yes, it is / No, it isn't.
4. Yes, you are / No, you aren't.
5. Yes, I am / No, I'm not.
6. Yes, it is / No, it isn't.
7. Yes, they are / No, they aren't.
8. Yes, I am / No, I'm not.
9. Yes, he is / No, he isn't.
10. Yes, it is / No, it isn't.