-- _____is that used for?---_____ the floor.
________, as long as I’m with nature, I don’t care.
I would rather buy a house in the countryside than in the city.
Many of the creatures in the movie “Avatar” are not real, but much of __________ happens is attractive.
—It’s hard to believe that Jack ________ have fought with the policeman. —Yes. If one ________ ask for trouble, it can’t be helped.
If our car had not ________, we would have been here on time.