【题目】The careless driver is _______ for the traffic accident_______ yesterday.
A. to blame; happened B. to blame; happening
C. to be blamed; happened D. to be blamed; happening
在线课程【答案】B
【解析】
试题分析：句意：粗心的司机应该为昨天发生的交通事故受到责备。第一空是词组be to blame，应受责备，第二空是后置定语，因为happen是不及物动词，没有被动式，用现在分词做定语，选B。