live ________the second floor.(填介词)

live ________the second floor.(填介词) I live on the second floor. They live on the second floor,and we live on the first floor Its good to live on the second floor的中文翻译 I live on the first floor and they are second my family live on the second floor.对the second 进行提问 first floor、second floor……几层几层前面用介词at 还是in? My father live in Nanjing.I live on the second floor of this what are you going to do ________the vacation?填什么介词? He and she both live on the second floor.（同义句） second floor怎么读 I live ____ myself(填介词)