Exercise 9. Rewrite the following sentences in a way that their original meanings do not change.
`1`. Van Cao composed Viet Nam's anthem Tien Quan Ca.
→ Viet Nam’s anthem Tien Quan Ca was composed by Van Cao.
`2`. Be careful or you’ll hurt yourself.
→ If you are not careful, you'll hurt yourself.
`3`. What is the price of the bicycle?
→ How much is the bicycle/does the bicycle cost?
`4`. The market does not have any carrots
→ There aren't any carrots at the market.
`5`. You’re the best guitarist in the school.
→ No one in the school plays guitar better than you.