Translation of Mietkaution

There is a small misunderstanding about the homework. I can do them, but they will be too confusing? I am trying to find the article from where I took the sentences in order to ease the task for all students.
We will soon improve our page about language schools, cause we believe that learning with other students in other countries is a great a experience that you will never forget and it helps your language skills.
When I wanted to do my homework, I accidentally landed on Vocabulix and it caught me right from the beginning. Connecting with other users can be brilliant. Skyping with them, chatting and messaging. Great idea.