Hellen set a good example ________ other mothers in demanding that children ________ enough time for sleep and play.
| A．with; should give | B．at; give | C．to; would be given | D．to; be given |
The members of the club wouldn't run a ____ entrusting（委托） the organization to an unreliable person.
| A．danger | B．risk | C．hazard | D．chance |
Many new _____ will be opened up in the future for those with a university education.
| A．opportunities | B．realities | C．necessities | D．probabilities |
It isn't quite _____ that he will be present at the meeting.
| A．sure | B．right | C．exact | D．certain |
The island where these rare birds nest has been declared a _____.
| A．observation | B．reservation | C．preservation | D．conservation |
Kate's ambition to become a nurse _____ from a desire to help others.
| A．prompted | B．promoted | C．programmed | D．proceeded |