---The light was on all night long.
---Yes. It seemed that Mike . He was the last one to leave the office.
A. was to be blamed
B. was to blame
C. had been blamed
D. should be blamed
网友回答
A. was to be blamed
(答案→)B. was to blame
C. had been blamed
D. should be blamed
解析：考查词组：句意：--灯整晚都开着。--是，好像是迈克应该受责备。他是最后一个离开办公室的人。be to blame 表示“应受谴责” 是主动形式表达被动含义。选B。