He should have been a young officer.

That young man has made so much noise that he______not have been allowed to attend the con

Recently a number of cases have been reported of young children iterate a violent act pre

【C17】A．must have beenB．may have beenC．could have beenD．should have been

How many schools offices of officials have been padlocked by the students？A．8,500.B．160.C．

A hotel for an international conference should have the following EXCEPTA．competent office

It he had not been hurt______ much, he d never resign from office.A．fairlyB．justC．ratherD．