--Is Professer Smith giving the speech today?
--It ________ be him. He is abroad right now.
A.mustn't | B.needn't |
C.won't | D.can't |
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--Is Professer Smith giving the speech today?
--It ________ be him. He is abroad right now.
A.mustn't | B.needn't |
C.won't | D.can't |