Uzupełnij zdania 1-5 czasownikami w czasie present perfect.

1. We........(see) fireworks many times.
2. Anna...... just.... (put) on her coat, scarf and hat.
3. My cousin...... (invite) me to his 18th birthday party.
4. ..... Mark..... (dress) up as a wizard or a clown?
5. They.......(not/eat) anything yet.