题目内容：

which bus can take them to the Palace Museum?which floor do your grandparent

优质解答

哪辆车可以带他们去故宫博物馆?你的祖父母在哪层楼?

追问：

����which bus can take them to the Palace Museum? ����which floor do your grandparents like to live on �ڶ������ĸ��ṹ��which bus��ͬ

追答：

which floor