If you are taking the IETLS exam soon, maybe these free online courses will help you.
EdX and Futurelearn are two of the most popular platforms which deliver free courses online on different topics.
The only thing you have to do is to register with your email and then activate your account from your inbox ... and of course, study.
Click on the pictures to open the link.
Course N1 : self paced, which means that you can learn whenever you have time and there is no particular starting date.
Course N2: has already started but you can still join.
Course N 3: hasn't started yet but you can register interest.
Happy Learning!