Explanation and evaluation of Johnny Grammar's Word Challenge
there are three different levels of difficulty: "simple, medium, hard". The tests are divided into three types: "words, rules, pronunciation", the only drawback is that it is not currently available in some Arab countries, but you can always use the VPN application to access Google Play stores for European countries or America and download the application.
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Size: 19.3 MB
Release Date: 22-3-2017
Last updated on 15-3-2017
Operating system: Android
Download Johnny Grammar's Word Challenge for Android