题目

— I haven't seen Mr. White for weeks. — What _____ to him? A. must have happened    B. may have happened C. can have happened     D. may happen   答案：C“戚继光抗倭”、“郑成功收复台湾”、“雅克萨之战”反映的共同主题是A．反抗侵略B．民族团结C．社会变革D．和平交往