The present financial crisis has put the world economy in a difficult .
| A．occasion | B．case | C．background | D．situation |
_______well in an interview will be an important part of getting a place at university.
| A．Do | B．Doing | C．Done | D．Being done |
The employees（）that they should renew their contracts within a week.
| A． | advise | B． | have advised | C． | are advised | D． | had been advised |
We _______on our project day and night in the past two weeks.
| A．had worked | B．have worked | C．will be working | D．has been advised |
It is important to know about the cultural differences thatcause problems.
| A． | must | B． | dare | C． | need | D． | may |
Ernest visited the South Pole because he wanted to see one of the _______regions in the world.
| A．colder | B．coldest | C．more coldly | D．most coldly |