9. 阅读理解 This is Bill. He is in the classroom. Now he is sitting on the chair. His red pencil box is on the desk. The English book is yellow. It's near the eraser. Where is the ruler? Oh, it's under the desk.
（1） Bill is in the study（书房）.
（2） He is sitting on the desk.
（3） The English book is red. It's near the eraser.
