Mr Bush is on time for everything. How it be that he was late for the opening ce
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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 |
试题答案
答案:A
解析:can表示可能性的推测,常用于疑问句或否定句中;may表“可能性”常用于肯定句或否定句中;must常用于肯定句中表推测,“一定……”的意思. |