问题
选择题
There they met two Indian monks who were Buddhist masters and ______ as educators without salary.
A．were working
B．worked
C．have work
D．had worked
答案
答案：A
考查时态，句意是：在那里他们遇到两个印度的佛教大师，在做免费的讲师。说明是在他们遇到僧侣的时候，他们正在做，用过去进行时，表示过去暂时的动作，选A。