题目内容：

    Today is October 20, Sunday. The weather is Sunny. We, twenty boys and sixteen girls, go to school early, because we don't have classes today. Our teacher takes us to the Zoo. We all get on a bus. It goes fast and at nine we get there.

What a beautiful zoo! There are a lot of trees, some hills and a big lake there. The sun is shining and flowers are colourful. There are many people coming here. And there are many different kinds of animals in it. The birds are singing in the trees and fishes are swimming in the lake. We like to watch the monkeys. They play on the hills and. eat apples. We are all' happy and laugh all the time.

At two thirty in the afternoon, we leave the zoo. We learn a lot and we all enjoy ourselves.

根据材料内容选择最佳答案, 并将其标号填入题前括号内。

1.We go to the zoo on a(n) ____________ morning.

A.cloudy B.Monday C.autumn D.summer

2.The weather is ________________ today.

A.bad B.fine C.rainy D.cold

3.We ____________ students and a teacher, go to school early.

A.thirty-six B.sixteen C.twenty            D-forty-six

4.We have no class because _________________.

A.we can learn in the zoo B.today is Sunday

C.our teacher takes us to the zoo D.we are happy

5.We stay in the Zoo for _____________ hours.

A.five. B.three and a half C.four and a half D.five and a half