---- Is that man Mr. Zhang?
---- It ______ be him. He has gone to Beijing for the meeting.
A.may not | B.needn’t | C.can’t | D.mustn’t |
---- Is that man Mr. Zhang?
---- It ______ be him. He has gone to Beijing for the meeting.
A.may not | B.needn’t | C.can’t | D.mustn’t |