根据短文内容和所给中文提示，写出空白处个单词的正确形式，每空限填一词。
Mr. Hall takes his students to the     (动物园) every year. Last week, on     (七月) 2^nd , they went there by     (公共汽车). It was very     (热的),but they all had a pleasant day out. Many students fell in love with the     (六) baby pandas when they saw them. Some students loved the monkeys. The monkeys     (跳) up  and down the trees. How funny they were！Some boys liked the lions. The lions were very     (强壮的) and smart. The trip was also for study. It was one of their     (美术) lessons. “It’s good for the students to get  out of the     (教室) to learn drawing.” Mr. Hall said. “They feel     (兴奋) to see all kinds of animals. Many of them do their best work on the trip.”