阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写 1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。

It was a warm and sunny morning at the Central Park Zoo. Abigail and her classmates were buzzing with excitement 【小题1】 their school bus entered the zoo parking lot. Today, Abigail’s class was going on a field trip to the zoo to learn more about the animals and their 【小题2】 (nature) habitats. To make sure no one got lost in the zoo, each student had a buddy. Abigail’s buddy 【小题3】 (name) Derrick. Derrick loved animals and was excited to go to the zoo. But sometimes, Derrick did not follow the rules and got in trouble. Abigail hoped that today, Derrick 【小题4】 (follow) the rules to avoid getting into trouble.