题目内容
The students _____ busily when Miss Brown went to get a book she ____ in the office．
A．had written; left B．were writing; has left
C．had written; had left D．were writing; had left
D
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53随堂测系列答案题目内容
The students _____ busily when Miss Brown went to get a book she ____ in the office．
A．had written; left B．were writing; has left
C．had written; had left D．were writing; had left
D
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