EXTRA CREDIT
Protecting community
I. Pre-reading
Have you noticed any changes in your neighborhood over the years? Are there any changes that you don’t like?
II. Reading
Yesterday, I walked into my local post office to mail a few things.
- 对本期电子报订户、有效期内的VIP教师会员和本学期高一尊享卡用户，我们开放所有内容：
- 如果您拥有以上权限，请点这里登录；
- 订阅电子报，请点这里；
- 激活VIP教师卡，请点这里；
- 激活21英语尊享卡，请点这里。
