Fill in the blanks using CAN – CAN’T - COULD – COULDN’T - DIDN’T NEED TO - MUST – MUSTN’T - NEEDN‘T 1. He owns a very expensive house. He __________________ be a rich person. 2. I __________________ swim well when I was a child. I even won the school championships. 3. You __________________ go to the grocery store. We have some milk in the fridge. 4. I __________________ find my keys. I probably left them at my mother’s place. 5. You __________________ buy the tickets. I got two for free from dad. 6. She __________________ speak so rudely to her parents. 7. The teacher always tells us we __________________ cheat during a test. 8. I __________________ stop laughing. The joke was so funny. 9. I __________________ look at you. You’re so dirty. What were you up to? 10. __________________ you turn down the volume? – It’s too loud.