thererightnowHe的精选

问题详情：Johnisn’thererightnow.He______Mr.Black’soffice.Perhapshe______inseveralminutes.A.isgoingto;hascome  B.hasbeento;hascomeC.hasgoneto;willcome D.wentto;wouldcome【回答】C知识点：现在完成时及其...