题目

下列用品中，一般情况下属于导体的是    A. 钢尺        B. 玻璃瓶        C. 纸杯         D. 橡皮擦 答案：A— 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