This car is more expensive than my car

It looks like you're working on some exercises related to reported speech and other English grammar topics. Here are the suggested completions for each sentence based on standard English transformations:

1. This car is more expensive than my car.
- My car is less expensive than this car.

5. He said: “I like football much.”
- He said that he liked football much.

6. She said: “There is a boy in the room now.”
- She said that there was a boy in the room then.

7. When I was small, I often went fishing with my grandfather.
- I used to go fishing with my grandfather when I was small.

8. We haven’t gone to the beach for two years.
- It’s two years since we last went to the beach.

9. My father wanted me to learn English.
- My father suggested that I should learn English.

10. I advise you to see the doctor.
- I suggest that you see the doctor.

Feel free to ask for more assistance or explanations!