– Listen ! Is Professor Johnson giving a report in the hall?
– No, it _______ be him. He has gone to America.
A.needn’t | B.can’t |
C.may not | D.mustn’t |
– Listen ! Is Professor Johnson giving a report in the hall?
– No, it _______ be him. He has gone to America.
A.needn’t | B.can’t |
C.may not | D.mustn’t |