1. The bus was completely empty. There was no one on it.

2. The party was very nice, everyone enjoyed it.

3. Tom is very popular everyone likes him.

4. Everyone was very kind to us. They helped us too much.

5. Anyone can make her happy because she is very sad now.

6. I opened the door but there was no one there.

7. Someone telephoned the police but he didn't give his name.

8. Is anyone living in that house? It looks empty.

9. I heard someone falling down the stairs.

10. No one is here, no absentees.

11. Jane was very hungry, so she wanted to go somewhere to eat a hamburger.

12. John went something exciting last week.

13. She stayed in Istanbul for a month and visited everywhere in this city.

14. What's wrong? Have you got something in your eye?

15. Does anyone mind if I smoke?

16. Do you have something in your pocket?

17. Bob doesn't have anything in his pocket.

18. My roommate is speaking to someone on the phone.

19. Ann didn't tell anyone her secret.

20. Did Paul give you something for your birthday?

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Sorry if my answers are incorrect and unclear, hope these answers help you