Question

【题目】--- Is Mr. Smith in his office now?

--- No, he there. I saw him in the library a minute ago.

A. may be B. must be

C. can’t be D. won’t be

Answer 1

【答案】C

【解析】

试题分析：句意：--- Mr. Smith现在在办公室吗？--- 不，他不可能在那儿，我刚才看到他在图书馆里。A. may be 也许在；B. must be一定在；C. can’t be不可能在；D. won’t be将不在。据I saw him in the library a minute ago.，故选C。