1. A: Where is my pencil box? 

    B: Look! It’s in your desk. 

2. A: Where is my book? 

    B: Look! It’s under the chair. 

3. A: Where is my toy car? 

    B: Is it under the desk? 

    A: No, it isn’t. 

    B: Ah, it’s in the box. 

4. A: Where is the watermelon? 

    B: Is it on the chair? 

    A: No, it isn’t. 

    B: Look! It’s under the desk.

—— 已经到底了!^_^ ——