Do you believe that paper is made _____ wood?—Yes, I do. And you can see that books are made _____ paper.[ ]
The Bell Tower is _________ the middle of Xi’an. [ ]
You should have a part-time job. —-I don’t _____you,Mum,I am too young to do that.
There is usually ________ in summer in Yangzhou, it helps crops(庄稼) grow well.
_____do you study for a test?—By reading the textbook.