1. There is a lot of flood. Many people lose their homes.
→ There is a lot of flood, causing many people to lose their homes.

2. Those are their school bags.
→ Those school bags belong to them.

3. It's a good idea to discuss the problem with our teacher.
→ We should discuss the problem with our teacher.

4. The United Kingdom has many famous landmarks.
→ There are many famous landmarks in the United Kingdom.

5. You shouldn't stay up too late to watch TV. It's not good for your health.
→ Don't stay up too late to watch TV; it's not good for your health.

6. There will be six bedrooms in my future house.
→ My future house will have six bedrooms.

7. I'm not sure about living in an apartment in a skyscraper.
→ I might not be sure about living in an apartment in a skyscraper.

8. These are her new books.
→ These new books belong to her.