The teaching building has five floors. My classroom is ________ the third floor. [ ]
Does it often rain in Jinan? -No,was little rain in Jinan last winter.
Do you know Mozart? — Of course. He wrote _____ of beautiful pieces of music.
Betty and Lingling are _____ the classroom. [ ]
I plan to go out for a bicycle trip. But I’m afraid I don’t know the .— A map is helpful, I think.