Sure! Here are the rewritten sentences maintaining the same meaning:

1. How about going there by bike? → Let’s **ride our bikes there**.
2. She has brown eyes. → Her eyes **are brown**.
3. Nga likes table tennis the most. → **Table tennis is Nga’s favorite sport**.
4. Playing football is more exciting than watching it on TV. → Watching football on TV **is not as exciting as playing**.
5. It is not good for children to watch too much TV. → Children **should not watch too much TV**.
6. Because I have a lot to do outdoors, I have no time to watch TV. → I have a lot to do outdoors, **so I can’t watch TV**.
7. The class was so noisy that the teacher couldn’t hear the question. → The class was noisy, **which made it hard for the teacher to hear the question**.
8. I like cartoons. I don’t watch them much. (although) → I like cartoons, **although I don’t watch them often**.
9. The coat belongs to me. ⇒ It is **my coat**.
10. How much time do you spend watching television? ⇒ How many **hours do you spend watching TV?**
11. The city is very beautiful. → What **a beautiful city it is!**
12. Nga likes volleyball the most. → **Volleyball is Nga’s favorite**.
13. You must do your homework before going to class. → Do **your homework before you go to class**.
14. The documentary films are quite boring to me, so I rarely watch them. → Because **I find documentary films boring, I rarely watch them**.
15. Huong’s school bag is new. → **That bag belongs to Huong and it is new**.
16. Why don’t we listen to music tonight? → How about **listening to music tonight?**
17. I need to study hard. I can get a good score on the test. (so) → I need to study hard, **so I can get a good score on the test**.
18. That pillow belongs to me. → That **pillow is mine**.
19. We have two brothers, Jack and Mike. → **Our brothers are Jack and Mike**.
20. Does that motorbike belong to him? → Is that **motorbike his?**