If you follow this link you'll find many activities to practice English at home. The activities are from the previous edition of your book but I think they might be helpfull for you. https://elt.oup.com/student/englishfile/preint3/?cc=global&selLanguage=en
If you want to do the activities from your book you need to create an account:
https://englishfile4e.oxfordonlinepractice.com/?cc=global&selLanguage=en