This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to learn languages with memrise
Create an account.
Go to memrise.com and choose a username or sign in with facebook.
Choose a course.

Available choices:
[i] Visit memrise.com (you have to be " a " for this tutorial) and choose an organization (on wikipedia and wikipedia if you don't already have one). You will be asked to set an account.
[ii] Enter the required credentials and the appropriate questions into the blanks. A prompt will be sent back indicating your account is and is current.
[iii] The first thing you will need to do is create your education. You must have a professional website before you can begin planning the next project, so always include an educational listing of course courses and events that you would like to participate in in.
[iv] In the language section of the site alone there are courses in over 200 languages available, including invented languages like elvish and klingon. The course screen should roughly indicate how many hours it will take to complete.
The answer is:
[iv]