I can feel the air _______the sound of children's laughter far from the classroom.
It is believed that the prosperity of tourism is sure to _________ thedevelopment of the economy in the poor countryside and createmore job chances for those bread winners.
After living in Paris for fifty years, he returned to the small town _________ he grew up as a child.
You should make it a rule to leave things _________ you can find them again.
Now he works in the factory _________his father used to work.
You should let your children play _________ you can see them.