Revising is essential to learn a foreign language and to fix knowledge.
Download and do as much as you can Click 1, Click 2
These are some links to practice a bit of grammar on your own:
1. VERB TENSES CLICK 1 CLICK 2
3. CONDITIONALS CLICK 1 CLICK 2
4.RELATIVE CLAUSES CLICK 1
5. PASSIVE VOICE CLICK 1 CLICK 2
6. REPHRASING CLICK 1 CLICK 2