摘要： The train leaves at 6:00 p.m.So I have to be at the station 5:40 p.m.at the latest. A.untilB.afterC.byD.around
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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