Do your best in the interview test.Image credit: Amtec Photos via FlickrUse these G.B.C. mock tests to prepare for your G.B.C. assessment. Pay attention to grammar, argumentation, fluency and delivery. Don't forget to show enthusiasm. G.B.C. GBC Mock Test ‹ G.B.C. モックテスト 1 上 G.B.C. モックテスト 3 ›