Question

Mr bush is on time for everything. How ____ it be that he was late for the opening ceremony?

Mr bush is on time for everything. How ____ it be that he was late for the opening ceremony?
A. can B. should C. may D. must
答案给的是B，为什么不选C？

Answer 1

答案应该是A，这是2001年上海的一道题目。can在否定句和疑问句中表示“可能性”，这句话的意思是：Bush先生总是很守时，他怎么可能在出席开幕式是迟到呢？

Answer 2

should(表示感情、意志等)竟然会
希望对你有帮助