问题
选择题
The teacher ____ the office for a few minutes when we arrived. We didn't meet him. [ ]
A. had left
B. had left
C. has been away from
D. had been away from
答案
答案：D
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The teacher ____ the office for a few minutes when we arrived. We didn't meet him. [ ]
A. had left
B. had left
C. has been away from
D. had been away from
答案：D