leton Basic wordsalso onCEFR Elementary (A2)? CEFR Intermediate (B1)? CEFR Mastery level (C2)? Band 2 (BND2)? Band 3 (BND3)? 任由,允许,让,随 lets lets(verb) 允许(去某处),出租(房屋、房间等),让(let的第三人称单数) letting letting(verb) 允许(let的现在分词),让 let let(verb) 任由,允许,让,随 Forms verb lets letting let