Index of /h5_cdn/concentration/lessons_static/lesson13/lesson9/

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1_complete.mp3                                     29-Jul-2022 11:39               51820
1_question.mp3                                     29-Jul-2022 11:39              141964
1_record.mp3                                       29-Jul-2022 11:39              297838
1_right.mp3                                        29-Jul-2022 11:39               57454
1_wrong.mp3                                        29-Jul-2022 11:39              100022
3_complete.mp3                                     29-Jul-2022 11:39               62462
3_question.mp3                                     29-Jul-2022 11:39              271029
3_record.mp3                                       29-Jul-2022 11:39              435667
3_right.mp3                                        29-Jul-2022 11:39               76343
3_wrong.mp3                                        29-Jul-2022 11:39               91993
bg1.png                                            29-Jul-2022 11:39              424968
bg3.png                                            29-Jul-2022 11:39               60576
multi_choose_tag_1.png                             29-Jul-2022 11:39                5174
multi_choose_tag_3.png                             29-Jul-2022 11:39                1801
ref_pic_3.png                                      29-Jul-2022 11:39               77069