Sign in with the username and password on your card, or join with the course code.用卡片上的用户名和密码登录，或用课程码加入。
I have a course code instead我有课程码 · Instructor registration教师注册
Back to sign in返回登录
An admin approves instructor accounts before they can sign in.教师账户需管理员审核后方可登录。
The password on your card works once. Choose one you will remember.卡片上的密码只能用一次。请设置一个你能记住的密码。