Here are the completed sentences based on the provided worksheet:
1. The movie **will** start soon. Let's find a seat and sit down.
2. A: **Will** your friend be at the party? B: Yes, she **will**.
3. Hello. Mr. Smith? This is Peter. I **won't** be at work today because I'm sick.
4. Those bags look heavy. Let me help. I **will** carry the big one for you.
5. My brother **won't** speak to me because he's very angry!
6. What time **will** the sun rise tomorrow morning?
7. A: **Will** you be twenty years old next month? B: No, I **won't**.
8. Flight CX793 **will** depart from Gate 12 in ten minutes.
9. Do you think people **will** live on the moon in your lifetime?
10. Yes, maybe I **will** bake some cookies tomorrow.
11. A: Are you ready to order, sir? B: Yes, thank you. I **will** have a hamburger.
12. It **will** be midnight in a few minutes. It's time to go to bed!
13. When do you think we **will** have our next test?
14. Maybe it **will** rain tomorrow, and maybe it **won't**.
15. A: **Will** you marry me? B: Yes, I **will**!