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:B
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:B