the canteen is on the first florr(对画线部分提问)

the canteen is on the first The canteen is on the first floor. the,on,is,the,canteen,first,floor the key is on the table,对画线部分提问 the clock is on the desk.对画线部分提问 the book is on the floor对画线部分提问 tom is talking on the phone对画线部分提问 my hat is on the sofa对画线部分提问 the is canteen first floor on the (.)组成一句话 The canteen is the first floor.A.on 1.The clock is on the wall.对画线部分提问（on the wall为画线部分） He is on the red bike(对画线部分on the red bike提问）