摘要：-I'd like to invite you to dinner this Saturday, Mr.Smith. - . A.Oh, no.Let's not B.I'm very sorry, but I have other plan C.I'd rather stay at home D.Oh, no.That'll be too much trouble
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Jack ________ yet, otherwise he would have telephoned me. (NMET 1997)
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A．mustn't have arrived
B．shouldn't have arrived
C．can't have arrived
D．needn't have arrived