English Proficiency Course - Interchange B 3B is available. It is the highest of the program’s hierarchy and moves the learner into a wide horizon of studying English enabling him to masterfully deal with vocabulary and language skills, understands what he hears or reads through his own analysis and therefore produce specialized prolonged conversations. Additionally, the learner will be able to write lengthy, detailed prose in a logical order without rhetorical mistakes. In essence, the learner will ultimately reach a professional level that transcends all previous ones.