Ответ:

1. I don't think will be famous when I'm older

2. I think the world will get hotter in the future

3. I bet that our team won't win the match

4. I imagine that more people will have cars

5. I'm pretty sure that it won't rain this afternoon

6. I'm pretty sure that we will have a test tomorrow

7. I think that he won't like the present

8. I don't think it will snow this winter

9. I bet that she won't remember my birthday

10. I reckon that computers won't be expensive in the future