【正文】
The classroom of Class2 Grade 5 are on the fourth floor. Our is on the floor. music room third Our is on the floor. : building, floor, would,bridge : 序數(shù)詞 first至 twelfth. Which floor do you live on? On the…floor. ,模仿跟讀。d love to. ? Would you like to go?你想要去嗎? ? We39。 序數(shù)詞的( abb