我像往常一样尝试登录，但什么都没发生。

I tried to ___log ___in as normal but nothing happened.

嗯，你需要一台电脑，并且必须登录到互联网。

Well you need a computer and you have to ___log ___on to the Internet.

请登录到您的账户以访问文件。

Please ___log ___in to your account to access the files.