______ in his novel, he didn’t notice his teacher entered the classroom.
Liu Xiang had worked hard . ________, he won the first prize in the 28th Olympic Games.
Was he ________to get to school on time when he got up at 7:45?
People all around the world have been doing as much as they can ________the people in Afghanistan.
—Does Peter feel better?—No, he is seriously ill and still________.
He was ________and died of lung cancer at an early age.