—Excuse me, sir, smoking _________ in the gas station.— Oh, I’m really sorry.
Yang Lei had ______ unusual experience in Gansu Province. ______ experience changed her life.
There are _____many students in our class______ in yours
I don’t like this jacket, Please show me _____?
The story happens _____a cold morning.
_____is it from Daniel’s home to school?_5 Km.