B4:
2. My brother has got a moped, but he wants to get a mortobike now.
3.When we moved to a new house last summer, we needed two trucks for our furniture.
4. The police use special helicopter to follow criminals from the air.
5. I don't like going to school on the bus because you can't see outside.
B5:
1 The water bottle is nearly empty.
→ There isn't any water in the bottle.
2. It's not a good idea to eat a lot of sugar
→ You shouldn't eat a lot of sugar.
3. Anna's dad isn't a very careful driver.
Anna's dad is a careless driver.
4. J K Rowling wrote the Harry Potter books.
The Harry Potter books were written by J K Rowling.
5. Alexander Graham Bell invented the telephone.
The person who invented the telephone was Alexander Graham Bell.