Yes, of course you can. And for free, too!
Check out our Courses page (members only) to download the complete grammar and vocabulary notes for the first three levels (Beginner A1, Pre-intermediate A2, Intermediate B1) at our sponsor school.
And today we’ve added the exercises for Week 1 of the Intermediate course – 7 free exercises plus solutions in a convenient .pdf which you can dowload here (to access the rest of the courses, you need to become a member.)
All you have to do is study!