－Will you accept the job offer?
－If I five years younger, I it.
| A．were; have taked | B．has been; would take |
| C．were; would take | D．had been; would have taken |
Before joining the Department of Defense, Mr． Panetta _______ as director of the CIA from February 2009 to June 2011．
| A．would serve | B．served | C．was served | D．had been served |
What _______ pity that you must leave now! It is such _______ great fun to have dinner with you．
| A．a; a | B．a; the | C．/; a | D．a; / |
_______ the Internet is of great help, I don't think it's a good idea to spend too much time on it.
A If B While C Because D As
Nature has provided Shangri-la with endless natural treasures, _________ the land a happy home for the local people.
A made B having made C making D to make
The news reporters hurried to the airport, only _________ the film stars had left.
A to tell B to be told C telling D told