Uzupełnij zdania poprawnymi czasownikami modalnymi:

1. Maybe she is new maths teacher. She _ the new maths teacher.
2. It's impossible that they're still at school. They _ still _ at school.
3. I'm sure she is in the school library now. She _ in the school library now.
4. It's possible that he's Spanish or Italian. He _ Spanish or Italian.
5. I'm sure she is not on holidays right now. My sister _ on holidays right now.