摘要： 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 答:D．when意为“当--时 .表示当一个动作发生时.另一动作正在进行.根据句中的时态可知.后一空用had left.表示动作发生在过去的过去.
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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
查看习题详情和答案>>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
查看习题详情和答案>>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
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