A. We often see this sign in the street. It means, "Don't park your car here."

B. There are many tall buildings in the city.

C. We often see this sign in the museum. It means, "Don't take photos here."

D. My ruler is too short. Can you give me that long one?

E. We often see this sign in the park. It means, "Don't ride your bike here."

F. We often see this sign in the zoo. It means, "Don't feed the animals."

G. Your bag is too old. Ask your parents to buy a new one for you.

H. We often see this sign on the buses or the underground. It means, "Don't eat or drink here."

I. We often see this sign in the library. It means, "Be quiet."