口语课

• https://docs.qq.com/doc/DTHFMR3hpdlluSXl6?_t=1646224225058
• https://docs.qq.com/slide/DTHlBSWpvQlFPWlNI?u=ec13c2a556a3440e939f163499b1d111

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• HW1：https://owl.purdue.edu/

• HW2

2022/4/11