______ on more clothes, you would not have caught the bad cold.
The accident that happened at an oilfield____ the southeast coast of the U.S.A has caused great damage to the environment.
We are at your service. Don’t to turn to us if you have any further problems.
There is ______ is called Mr. Smith in our workshop.
George is organized, easy-going, hard-working and intelligent. _____, I can’t speak too highly of him.
The World Expo is like ____ great stage for cultural exchange, bringing people into closer contact with _____ rest of the world.