Horrible! Not for visually impaired grammar nerds! – 1800 English Grammar Questions (Grammar In Use) - Free English language exercises for testing, learning, speaking, reading Review

The print is small, the color scheme is bad, and the some of the questions are terrible! Is the author perhaps not a native English speaker? This is a test of patience, not grammar. Do not use this app to educate if you want to teach or learn proper grammar and usage.
Review by Desertm00n on 1800 English Grammar Questions (Grammar In Use) - Free English language exercises for testing, learning, speaking, reading.