Question

— I think Mr. Zhang may be in his office.
— No, he _____ be there. I saw him ____ there just now.

A．can’t; went

B．mustn’t; left

C．can’t ; leave

D．may not; going

Answer 1

C

句意:我認為張先生可能在他的辦公室。不，他不可能在那。我剛剛看見他離開了。can’t不可能；mustn’t不可以；may not;可能不。See sb do sth 看見某人做了某事，所以選C。