1. (2018七上·凉州期中) 根据短文内容，判断正误。

    I'm Peter. This is my room. My TV is on the table. My computer and my telephone are on the desk. Where are my keys? They aren't on the dresser. Oh! They're in the drawer. My pens aren't on the chair. They are in my pencil-box. My pencil-box is in my backpack. And it's behind the chair. My soccer ball and basketball are on the floor.

1. （1） His telephone is on the computer.
3. （2） His pens aren't on the sofa.
5. （3） His backpack is behind the chair.
7. （4） His basketball and soccer ball aren't on the floor.
9. （5） His keys are in the drawer.