问题
选择题
We arrived at work in the morning and found that somebody ________ into the office during the night． [ ]
A．broke
B．had broken
C．has broken
D．was breaking
答案
答案：B
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We arrived at work in the morning and found that somebody ________ into the office during the night． [ ]
A．broke
B．had broken
C．has broken
D．was breaking
答案：B