It is believed that the tight employment market has forced job seekers to_______whatever work is available.
| A．take up | B．take down | C．take off | D．take on |
Mary worked here as a ____ secretary and ended up getting a full-time job with the company.
| A．pessimistic | B．temporary | C．previous | D．cautious |
——Hey, can I ask you a favor?
----Sure, _______
| A．Here you are | B．Just as I thought |
| C．How is it going | D．What can I do for you? |
A model or an experiment in a science class can help us see things which wouldremain hidden．
| A．therefore | B．yet | C．otherwise | D．still |
She must have ranked her birthday presents in order of_because the top one is her favorite．
| A．value | B．time | C．interest | D．preference |
We have hurried all the way to the airport - the flight was called off because of the foggy weather．
| A．mustn’t | B．couldn't | C．needn’t | D．wouldn’t |