Peter,don’t play that kind of joke any more!Sorry! I do it again.A.won’t B.can’t C. mustn’t
His brother is _________ to carry the heavy box.
When the candle stopped burning, it had __________ the oxygen in the air.
An Easter egg hunt is a game for ___________.
He was away for a week. What happened _______ him?
________ students are in the classroom.