问题
选择题
What troubled the teacher was that no one present made an answer when asked who had broken the glasses, so he didn’t know who _____________.
A．was blamed
B．was to be blamed
C．was to blame
D．would be blamed
答案
答案：C
这题考查固定短语：be to blame“应受责备”，句意是：让老师感到麻烦的是，当问及谁打坏了眼镜时，在场的人没有回答，所以他不知道该责备谁。选C。