_ there yesterday, I couldhave asked him not to do so

Lin Yu often talks in class. His teacher _______him.

Look at the black hat. It must belong to Mrs. King.—No, it _____ be hers. I saw an old man put it here just now.

The country itself didn’t have enough gas because of the war, so the government decided to _____ its gas supplies to other countries. [ ]

The measure of a man’s real character is what he ____ if he ____ he would never be found out.