Do you have________on________？A.a map of the world，the wall of your classroomB.a world map，your classroom wallC.a map world，your classroom's wallD.the world's map，the wall of your classroom
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A解析分析：the world和your classroom都表示非生命的名词，没有所有格形式，此时要表示“的”的概念，要用of结构。“一幅世界地图”只能说成a map of the wodd；“你们教室的墙”只能说成the walls of your classroom．