问题
选择题
Without the keys, the manager waited in front of the office ________ was locked ten minutes ago.[ ]
A. who
B. which
C. /
D. whom
答案
答案：B
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Without the keys, the manager waited in front of the office ________ was locked ten minutes ago.[ ]
A. who
B. which
C. /
D. whom
答案：B
