问题补充:
Tom was thinking about how to explain to the teacher why he was late for class, when a good idea him.
A. happened
B. brought
C. occurred
D. struck
答案:
A. happened
B. brought
C. occurred
(答案→)D. struck
解析:考查固定句式。固定句式:sth occur to sb=sth strike sb某人突然想起某事;句意:Tom正在思考如何向老师解释他迟到的原因,在这时他突然想起了一个好的主意。故D正确。