He used to __ in a small village, but now he has been used to __ in the big city.
My uncle has two pet dogs.But________of them is friendly to me.
—Where is the librarian? —She________to the bookshop.
—How many times________you________to Beijing this year? —Three times.
—The Chinese government is trying to solve the problems between China and other neighboring countries________. —A________way is better for all.
—May I speak to Ann? —Sorry,she isn’t in.She________France.