The former manager of the company was said _____ in an organized crime.
| A．to be involved | B．to involve |
| C．to have involved | D．to have been involved |
-How much do you know about the Youth Olympic Games to be held in Nanjing?
-Well, the mediait in a variety of forms.
| A． | cover | B． | will cover | C． | have covered | D． | covered |
The book has helped me greatly in my daily communication, especially at work ________ a good impression is a must.
| A．which | B．when | C．as | D．where |
Lessons can be learned to face the future, ________ history cannot be changed.
| A．though | B．as | C．since | D．unless |
ourselves from the physical and mental tensions，we each need deep thought and inner quietness.
| A． Having freed | B．Freed | C．To free | D．Freeing |
Whenever you a present, you should think about it from the receiver’s point of view.
| A． bought | B．have bought | C．will buy | D．buy |