______ for the free tickets, I would not have gone to see films so often.
| A．If it is not | B．Had it not been | C．Were it not | D．If they were not |
The accident that happened at an oilfield____ the southeast coast of the U．S．A has caused great damage to the environment.
| A．away | B．from | C．beyond | D．off |
We are at your service. Don’t to turn to us if you have any further problems.
| A．beg | B．hesitate | C．desire | D．seek |
There is ______ is called Mr. Smith in our workshop.
| A．no such man as | B．no such a man as |
| C．no such man | D．no such a man that |
George is organized, easy-going, hard-working and intelligent. _____, I can’t speak too highly of him.
| A．In other words | B．In a word |
| C．On the other hand | D．As a result |
The World Expo is like ____ great stage for cultural exchange, bringing people into closer contact with _____ rest of the world．
| A．a; 不填 | B．the; 不填 | C．a; the | D．the; the |