—Is Mr Zhou in the office?
—No, he_______ be there. He has gone to Huanggang. [ ]
A. mustn't
B. needn't
C. won't
D. can't
答案:D
—Is Mr Zhou in the office?
—No, he_______ be there. He has gone to Huanggang. [ ]
A. mustn't
B. needn't
C. won't
D. can't
答案:D