—Is Pro. Smith giving the speech today?
—It __________ be him. He is abroad right now.
A.can’t | B.needn’t | C.won’t | D.mustn’t |
推荐套卷
—Is Pro. Smith giving the speech today?
—It __________ be him. He is abroad right now.
A.can’t | B.needn’t | C.won’t | D.mustn’t |