The old man lives_________ in a ________ house.

It is said that ____ young people may lose the abilities to hear after five years if they listen to MP4 players which are too loud for more than five hours a week.

Kate had paid him in advance, which _________ was a mistake.

I sitTom and Jack in the classroom. [ ]

I knocked into a tree when I went to the bus stop for my friend.—I suppose you _____too fast.