How to be safe online
It / your passwords / difficult / make / to guess / is /with letters, numbers, and symbols / advisable to.
It is advisable for you to make your passwords difficult to guess with letters, numbers, and symbols
You ________ (should/shouldn't) click on links in emails or on websites you don't know.
shouldn't
Don't / anyone / your friends./ your passwords, / even / tell /
Don't tell anyone your passwords, even your friends.