---You ____ him more help, even though you were very busy.
---Well, now I regret not.
| A．might have given | B．may give |
| C．must have given | D．should give |
What you have done is _____ the doctor's orders.
| A．attached to | B．resistant to | C．responsible to | D．contrary to |
The police refused to _____ the clues they were working on.
| A．exhibit | B．disclose | C．expose | D．discern |
Driving a car without insurance can have _____ consequences.
| A．uncertain | B．disastrous | C．potential | D．unworthy |
New mineral resources may be discovered during the forthcoming Antarctic _____.
| A．excursion | B．execution | C．extraction | D．expedition |
The government's strong action demonstrated its _____ to crush the rebellion.
| A．energy | B．resistance | C．courage | D．determination |