内河通航水域内影响通航安全的无主沉没物、漂流物、搁浅物，由航道部门打捞清除（第四十二

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 2^nd , they went there by bus. It was very hot, but they all had a小题1: day out. Many students  小题2: in love with the six baby pandas when they saw them. Some students loved the  小题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_小题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 小题5:  the trip.”