请在网站上注册我们的免费会员。

Please ___sign up for our free membership on the website.

我想报名参加下周的烹饪课程。

I want to ___sign up for the cooking class next week.

如果你想参加这个在线课程，需要先注册一个账号。

You need to ___sign-up for an account if you want to join this online course.