Помогите с английским. Правильно ли составлены данные предложения?

1. Tom was a good student and he succeeded at all subjects.
2. I prefer meat to fish.
3. Do you mind opening the window? It is too hot here.
4. I object against your coming home so late!
5. I was afraid to enter a dark room when a child.
6. What about going to the country on Sunday?
7. Listen Dora! Why not to take part in the singing contest? You are good at singing!
8. What are you thinking about? – I am thinking about buying a new bike.
9. I am not sure yet if we’ll go to England. It depends on the visas.
10. Just think! Tom has given up smoking!
11. I have decided to join the Music Society of our school.
12. Have you watched “The Lord Of The Ring”? It is really worth seeing!
13. Dear friends, I want to thank you for coming!
14. Why are we still at home? – Because it looks like raining
15. I’ve read so much about England! Now I am looking forward to visiting this wonderful country.