Question

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?

Answer 1

A?

解析:

can表示“可能性”，含推测的意味，通常用于否定句或疑问句中，且有时还带有“惊奇、不相信” 等感情色彩。