— Will your father stay home tonight?— I'm not quite sure．He ________ late in his office this evening．A.may be stayingB.can stayC.may stayD.must stay
网友回答
C解析这句句子的意思是“他今晚可能会在办公室工作到很晚。”情态动词may表示猜测，意思是“可能”。对将来的猜测是may do，对现在正在进行动作的猜测是may be doing，对过去的猜测是may have done．