My friend, who ________ on the International Olympic Committee all the time, is retiring next month.
| A．served |
| B．is serving |
| C．had served |
| D．has served |
The most important thing for Lucy is to find a proper job, ______ in which she can bring her ability and potential into full play．
| A．this | B．that | C．one | D．the one |
advertisements are of great help, I don’t think we should entirely rely on them.
| A．Since | B．While | C．Because | D．As |
Fully __________ in looking after three children at home, she no longer has time to enjoy the various activities in the club.
| A．occupied | B．contributed | C．attached | D．devoted |
— Did you regret having left your well-paid job?
—Why should I? I _______ as much, but I enjoy my present one more.
| A．didn’t earn | B．don’t earn | C．hadn’t earned | D．haven’t earned |
—Did you hear about the air crash? I feel so lucky!
—Yes．If you _____ that flight, I _____ speaking to you now．
| A．were taking; wouldn't be | B．took; wouldn't have been |
| C．had taken; wouldn't be | D．had taken; wouldn't have been |