Now they are ______ the top of the mountain. (   )

A．in

B．on

C．at

We’re going to say goodbye ________ our primary school. (   )

A．in

B．on

C．to

句子改错
1. My classmate are very nice to me.
______________________________________
2. You are new in this school.
______________________________________
3. She have many friends at school.
______________________________________
4. He likes talk with Sally.
______________________________________
5. Do you have much friends?
______________________________________

Amy will take her ball _________ Sunday. (    )

A．in

B．on

C．for

There are two ping-pong balls ______ the table. （   ）

A．in

B．on

C．under