问题

Joy _______ as a language teacher in China for two years before she went back to London
A:had worked
B:was working
C:worked
D:has worked
B:was working
C:worked
D:has worked
正确答案是:
同类题型
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ld him he was forbidden to watch TV for a month. _______, he stormed out of the room.
The problem has _____ simply because you didn’t follow the instructions in the handbook. [ ]
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