| 年级 | 科目 | 问题描述 | 提问时间 |
| 初三 | 英语 | 英语 | 2017-09-04 21:37:39 |
| No one knows exactly __ the building of the Great Wall was started .It __(believe) that the wall was built ___(protect) parts of the country during the Zhou Dynasty (朝代).The wall was not only for protection in the north ,it was also __symbol of China's ancient civilization. | |||
| 学点点涂老师 2017-09-04 21:48:17 | |||
| When believed protected | |||
| 陈丹艺 2017-09-04 21:49:36 | |||
老师，还有最后一个
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| 陈丹艺 2017-09-04 21:51:02 | |||
| 然后我觉得第二个应该是 is believe ，因为前面有那个It | |||
| 陈丹艺 2017-09-04 21:51:33 | |||
| 然后我觉得第二个应该是 is believed ，因为前面有那个It | |||
| 学点点涂老师 2017-09-04 22:12:21 | |||
a
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| 学点点涂老师 2017-09-04 22:14:02 | |||
| 你说的是对的，我以为是it"s，你的说法是对的，很棒 | |||
| 陈丹艺 2017-09-04 22:31:01 | |||
哦，谢谢
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