Use this book for "drilling" and the ETS Official Guide for final practice to see the exact phrasing used by test-makers. ⚖️ Pros and Cons Pros Cons Huge variety of math problems.
Practice selecting two words that complete a sentence with the same meaning. 1,014 GRE Practice Questions, 3rd Edition
Drills for one, two, and three-blank prompts. Use this book for "drilling" and the ETS