单选题At the Copenhagen confere
答案:2 悬赏:50 手机版
解决时间 2021-12-25 10:56
- 提问者网友：遮云壑
- 2021-12-25 06:44
单选题
At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions________it was too late.A.whenB.afterC.untilD.before
最佳答案
- 五星知识达人网友：迷人又混蛋
- 2021-12-25 07:33
D
全部回答
- 1楼网友：杯酒困英雄
- 2021-12-25 08:52
感谢回答，我学习了
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