问题 更新时间2023/4/3 12:59:00 It.s twelve o.clock, I think I must be off now.Oh,really? I it at all.A.don.t realizeB.haven.t realizedC. didn.t realizeD. hadn.t realized 答案 登录 注册 C. didn't realize 出自:联大 >> 河南城建学院大学英语(三)