firston Mastery levelalso onCEFR Beginners (A1)? CEFR Elementary (A2)? CEFR Intermediate (B1)? CEFR Upper intermediate (B2)? Academic Vocabulary List (AVL)? Academic Chunk List (ACL)? Contributions (SIG)? Band 1 (BND1)? Band 2 (BND2)? firstly firstly(adverb) en primer lugar,primeramente,primero Forms adverb firstly