根据句意及首字母提示填空。
【小题1】He was so tired that he fell a______ on the desk.
【小题2】He is the p______ of our school. He is in charge of all the things.
【小题3】Only half a d______ students arrived on time.
【小题4】He wasn’t badly hurt—that’s something to be t______ for.
【小题5】To my j______, he accepted my gift.