问题 更新时间2023/4/3 12:59:00 We regret ______ unable to agree to the buyer.s request as stated in the L/C stipulations for insurance to be covered up to the inland city.选项A: to beB: beingC: to have beenD: been 答案 登录 注册 参考答案：B 出自：江开 >> 英语写作
问题 更新时间2023/4/3 12:59:00
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