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
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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