— 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 |
— 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 |