问题
选择题
| The teachers _______ the office for a few minutes when we arrived. We didn't meet them. |
A. had been away from B. had left C. have been away from D. have left |
答案
答案：A
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| The teachers _______ the office for a few minutes when we arrived. We didn't meet them. |
A. had been away from B. had left C. have been away from D. have left |
答案：A
