unit 5 Where Is My Ruler?section B let' learntouch gameA: Where is the…?B: It’s in/on/under the desk.A: Look at the pen/pensile… It’s on/under the chair.walkman随身听B: Walkman, walkman, it’s…the chair.A: Walkman, walkman, where is the walkman? Missing gamewalkmanbusbikelampjeeptaxideskchair I like the …lamp. It’s in/on/under the desk. It’s cool/n..