题目

Not until he retired from teaching three years ago _________ having a holiday abroad.   A. he had considered   B. did he consider   C. he considered   D. had he considered 答案：B 下列加粗的成语使用有误的一项是 蔡元培到校的那一天，校工们排队毕恭毕敬地向他行礼，他一反以前历任校长目中无人、习以为常、不予理睬的惯例，脱下自己的礼帽，煞有其事地向校工们鞠躬，这使得校工和学生们大为惊讶，其人其品，可见一斑。 [　　] A．毕恭毕敬 B．习以为常 C．煞有其事 D．可见一斑