题目

The teacher came to the classroom and demanded ____ what had happened. A. his students to tell him      B. being told C. telling him               D. to be told 答案：D 解析: demand可接to do sth，但不能接sb to do sth。该处为被动，故为to be told。“破镜”不能“重圆”的原因是（　　）A．分子间的作用力因玻璃被打碎而消失B．玻璃表面太光滑C．玻璃的分子间只有斥力没有引力D．玻璃碎片间的距离太大，大于分子间发生相互吸引的距离