问题 更新时间2023/4/3 12:59:00 By the time Jack comes back from his hometown, we _______ all the preparations. A.finishB.have finishedC.had finishedD.shall have finished 答案 登录 注册 参考答案:D 出自:联大 >> 河南师范大学-学前教育(专科)-大学英语I