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
练习册系列答案
阅读快车系列答案
相关题目
阅读快车系列答案题目内容
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
阅读快车系列答案