Proofreading is a skill which is polished with the practice. for becoming a professional proofreader, or expert in writing, a person needs to polish his grammar, vocabulary, sentence structure, sentence narration and lots more. All these skills are subjected to practice practice and practice.

This practice test has been designed in a way that enables students to make themselves able to cope with any type if grammatical issue. Udemy gives 30 days money back guarantee if you do not like the course content. try is Must!