Unit 1_Hello 1

{"id":1725,"type":"audio","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/-_track03.mp3","width":null,"height":null,"thumbnail":"","name":"-_track03.mp3","isShown":false}

{"id":1726,"type":"audio","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/-_track04.mp3","width":null,"height":null,"thumbnail":"","name":"-_track04.mp3"}

{"id":1727,"type":"audio","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/-_track05.mp3","width":null,"height":null,"thumbnail":"","name":"-_track05.mp3","isShown":false}

{"id":1728,"type":"image","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/1_8.jpg","width":1500,"height":1125,"thumbnail":"","name":"1_8.jpg","isShown":false}

{"id":1729,"type":"image","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/02.jpg","width":1500,"height":1125,"thumbnail":"","name":"02.jpg"}

{"id":1730,"type":"image","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/03.jpg","width":1500,"height":1125,"thumbnail":"","name":"03.jpg"}

{"id":1731,"type":"image","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/04.jpg","width":1500,"height":1125,"thumbnail":"","name":"04.jpg"}

{"id":2406,"type":"video","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/1.1_hello.mp4","width":720,"height":1560,"thumbnail":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/7c62651b-49c4-4ca9-b235-38bb2a6a14bb.png","name":"1.1_hello.mp4"}