听短文，选词填空。

A. ate  B. pictures   C. Lucy   D. went   E. First

B. ate  B. pictures   C. Lucy   D. went   E. First

A. keep  B. friendly   C. rules   D. everyone  E. healthy

        We have a school trip to the City Zoo this Friday. Here are some for you. Don't throw rubbish in the zoo. Please the zoo clean. You mustn't feed the animals because some food and drink are not for them. Never get close to the animals. Not all the animals are . If you get too close to them, you will be in danger. It's important for to follow these rules.