1. I --- isn't Isn't aren't am not stupid.

2. She --- isn't Isn't aren't am not here at this moment.

3. You --- isn't Isn't aren't am not strong enoguh.

4. --- isn't Isn't aren't am not your dad too old for that ?

5. My sister --- isn't Isn't aren't am not older than me.

6. This computer --- isn't Isn't aren't am not cheap.

7. He --- isn't Isn't aren't am not blind.

8. You --- isn't Isn't aren't am not friendly for us.

9. --- isn't Isn't aren't am not she too ugly for me ?

10. John --- isn't Isn't aren't am not happy today.