Unit 4_He’s a hero! 6

{"id":689,"type":"audio","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/track_49.mp3","width":null,"height":null,"thumbnail":"","name":"track_49.mp3","isShown":false}

{"id":2243,"type":"image","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/ff1-u4-hes_a_hero.jpg","width":1500,"height":2167,"thumbnail":"","name":"ff1-u4-hes_a_hero.jpg"}

{"id":4010,"type":"video","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/08/49_family_and_friends_1_unit_4_he_is_a_hero_jobs_._professions.mp4","width":1280,"height":720,"thumbnail":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/08/7311dfdb-5bfd-4c5a-8d57-ce1cdc0e43dd.png","name":"49_family_and_friends_1_unit_4_he_is_a_hero_jobs_._professions.mp4"}