Dekiru Nihongo Intermediate Language and Expression Workbook

This is one of the books in the "Can Do Japanese" series, which focuses on cultivating proficiency. It effectively teaches intermediate-level language and expressions through interactions in various situations, posters, pamphlets, newspapers, magazines, and other reading material, as well as interviews and expert commentary. Each lesson is structured around a topic and a situation, so it is recommended for those who use other teaching materials.