Choose the correct form of : SOMEWHERE, ANYWHERE, NOWHERE, EVERYWHERE, SOMETHING, ANYTHING, NOTHING, EVERYTHING, SOMEBODY, ANYBODY, NOBODY, EVERYBODY!

1. I am sure I put down my keys .
2. Calm down. There is to worry about.
3. Let's sit down and talk.
4. I heard a knock at the door but there was there.
5. We didn't see .
6. The restaurant was really crowded. had a good time.
7. Be quite ! is coming.
8. I don't think knows the answer to that question.
9. She can't go without people recognizing her.
10. I've got to tell you.
11. I was really bored during the holiday. I did and went .
12. I woke up and suddenly seemed better.
13. There was water all over the floor. It was .
14. There's very attractive about her.
15. Did see George Clooney's latest film?
16. is talking about the new soap opera.
17. I'm sure there is downstairs.
18. I can't make my point clear. understands me !
19. Let's go different tonight.
20. must hand in their homework by Friday.
21. The trouble is that there is for young people in this town.