问题 更新时间2023/4/3 12:59:00 ______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home. A. To wait B. Have waited C. Having waited D. To have waited 答案 登录 注册 答案C 出自：学起plus弘成 >> 中北大学-大学英语1
问题 更新时间2023/4/3 12:59:00
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