After talking with his father for about half an hour, he felt better and began to know how to ________ this kind of situation.

Please remain________;the winner of the prize will be announced soon[ ]

Mary’s being hurt ______ the uncertainty of our winning in the game.

Tomorrow is Father’s Day. What should I get for my father—I think doing ________ for him is the best gift.

Marry, it seems you don’t quite understand what we are talking about— Sorry, I____ of something else just now.