A judge has the _______ to send a person into prison.
The government has set up a working party to look into the problem of drug ________.
It's high time that we students ______ even harder at our lessons as the national entrance examination is coming nearer.
I haven’t seen ________Maggie since I came here.
I tried phoning her office,but I couldn’t ________.
The doctor told her that her badly injured husband had a 50-50 chance of ________.