问题
选择题
The clock has just _________ twelve. All the teachers should stop _________ and let the students have a rest.
A．hit; to teach
B．beaten; teaching
C．struck; teaching
D．knocked; to teach
答案
答案：C
本题考查动词辨析和非谓语动词。strike(钟表)敲，鸣，报时；stop doing停止走某事。句意：钟刚刚敲12下，所有的老师都停止教学让学生休息。