发起提问 · 2021-11-27 01:13 the way of instruction is generally traditional, with teachers presenting formal lectures and students taking notes

发起提问 · 2021-11-26 14:48 过去分词和being加过去分词，意义上有什么不同？

发起提问 · 2021-11-26 13:42 When compared with the size of the whole earth,the biggest ocean does not seem big at all.

登录 · 2021-11-26 13:40

登录 · 2021-11-19 07:44

发起提问 · 2021-11-12 19:41 your design approximates what i understood the building would be like

注册 · 2021-11-12 19:36