2020-2021英语周报高一课标第2期答案

2020-2021英语周报高一课标第2期答案，小编收集了2020-2021英语周报高一课标第2期答案的相关答案，没有答案的敬请期待！完整版的周报答案关注wx号：趣找答案

1.       online shopping has changed our life, not all of its effects have been positive.

A . Since

B . After

C . While

D . Unless