Unit one Short conversation BCACDCAABD Long conversation ABBDA Passage AACDD Unit two Short conversation CCDBBDBCDD Long conversation ACDCC Passage DBACA Unit three Short conversation CCACDBACDD Long conversation ABDAC Passage BCACB Unit four Short conversation DBBACBADBC Long conversation DCCCD Passage CABDD Unit five Short conversation BACACBDACC Long conversation DBCAC Passage ACCDA
