Which topic is NOT mentioned in the text?
(Avaliable in: https://www.cambridgeenglish.org/blog/12-tips-for-teaching-an-online-english-class/ – text adapted specially for this test).
(Avaliable in: https://www.cambridgeenglish.org/blog/12-tips-for-teaching-an-online-english-class/ – text adapted specially for this test).