The C-Test as a tool for assessing language competence has been in existence for nearly 40 years. having been designed by Professors Klein-Braley and Raatz for implementation in German and English. Much research has been conducted over the ensuing years. particularly in regards to reliability and construct validity. https://www.bekindtopets.com/quick-buy-Titans-Pets-First-Reversible-Dog-Bandana-deal-zone/