—Mom, what did your doctor say?—He advised me to live _______ the air is fresher.
The Mid-Autumn Festival is ________ special holiday for most Chinese when ________ whole family will get together.
Are you still here?You were here half an hour ago. Who for?
—Dick has a bad cough because of smoking. —Why doesn’t he ?
it is to jump into a pool or go swimming in a river in summer!
Mobile phones have made possible for us to reach out to the farthest corners of the world from our homes.