—Is Pro. Smith giving the speech today?—It __________ be him. He is abroad right

题干

—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

上一题下一题 0.4难度单项选择更新时间:2012-06-21 05:36:34

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