读短文，用所给动词的适当形式填空。

     Last Sunday, the Class One Grade Nine students went to the park. They 1_____ (see) many beautiful

fish there. They also saw the sharks. Then they 2_____ (go) to the zoo near the park. Of all the animals,

the monkeys are the most funny, and they are always 3_____ (make) a lot of noise. At noon the students

4_____ (have) a picnic in the zoo. Then they took a bus back to school. After they got to school, Mr Lee

found he 5_____ (leave) his backpack at home.

必须毫不动摇地鼓励，支持和引导非公有制经济的发展。各种所有制经济完全可以在市场竞争中发挥各自优势，相互促进，共同发展。这表明在我国社会主义初级阶段（）

A.各类经济在国民经济中的地位是完全平等的

B.个体、私营和外资经济已成为社会主义的经济基础

C.非公有制经济和公有制经济在市场竞争中的地位是平等的

D.非公有制经济经营范围完全放开