Tracks knowledge level in Russian language. Includes tests and exercises for skill assessment. Provides reference material and allows users to monitor progress. Offers practice questions and answer explanations.
Tracks English language knowledge levels through quizzes and tests. Provides study materials and references. Allows users to assess their understanding and monitor progress. Offers practice exercises and test simulations.
Record and compare your vocal performance of church hymns with the original. Practice holding your part in the church choir by listening to a similar pitch, singing along, and recording your voice.
