Amy: We have a new classroom.

Mike: Let go and have a look.

Bill: Wow, it's so big.

Amy: Let's clean the classroom.                                             

Jack: OK, let me clean the blackboard.

Mike & Bill: Let's sweep the floor.  

Sarah& Amy: Let's clean the desks.

选择正确的答案填在括号里。

漫画阅读。阅读对话，判断正误。

    I have a good friend at school. He is an English boy. His name is Tom. He is twelve. We're in No. 2 Middle School. We're not in the same class. He is in Class 4. I'm in Class 2. Tom's father is an English teacher. He works at our school. Tom's mother is not a teacher. She is a doctor.

    My name's Peter. I'm a boy. I'm a pupil. I go to school by bus. My father is a policeman. He goes to work(工作) by car. My mother is a nurse. She goes to work by bike. I love them. They love me, too.

    People sometimes change homes. Animals do too! Some fish change homes. They swim from rivers to the sea. They swim back to the rivers when（当……的时候） they grow up. Many birds change homes too. They fly south in autumn to find food. In spring, they fly north. It is called "bird migration".

    Some bears change homes. They move to warm places in winter and come back in spring. But some bears do not change homes. They sleep in caves（洞）all winter. In spring, they come out to find food.