情景对话与语篇 — 英语填空题

补全对话。放学后，Sam 和 Lily 在公园里玩机器人游戏，请选择合适的身体部位单词（nose / ear / arm）填空，补全对话。 Sam: Look at me! I am a robot. Touch your e___! Lily: OK! I touch my ear. Sam: Wave your a___! Lily: OK! I wave my arm. Sam: Point to your n___! Lily: OK! I point to my nose.