She is not certain about __________ she has done anything wrong.
| A．if | B．whether | C．that | D．What |
—What have you done with my cat?
—I'm terribly sorry.I've ________ it.Believe me, it's an accident.But I'd like to pay for it.
| A．run after | B．run over |
| C．run through | D．run across |
Most nurses are women, but in the higher ranks of the medical profession women are in a ________.
| A．scarcity | B．minority |
| C．minimum | D．shortage |
The interviewee hurried to the meeting room，only ________ that the interview was over.
| A．to tell | B．having been told |
| C．to be told | D．telling |
Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you.(2011·江西)
| A．whenever | B．however |
| C．whichever | D．wherever |
—How is your recent trip to Sichuan?
—I've never had ________one before.(2011·四川)
| A．a pleasant | B．a more pleasant |
| C．a most pleasant | D．the most pleasant |