题目内容：

根据短文内容，用方框中所给单词的适当形式填空。每词限用一次。

on     pleasant     get      monkey     fall

Mr. Hall takes his students to the zoo every year. Last week, on July 2nd , they went there by bus. It was very hot, but they all had a 1.  day out. Many students 2.  in love with the six baby pandas when they saw them. Some students loved the 3.   . They jumped up and down the trees. How funny they were！Some boys liked the lions. The lions were very strong and smart. The trip was also for study. It was one of their art lessons. “It’s good for the students to_ 4.  out of the classroom to learn drawing.” Mr. Hall said. “They feel excited to see all kinds of animals. Many of them do their best work  5.   the trip.”