Download bài tập tại đây: https://drive.google.com/file/d/1RBujPQWfHhBvv9VQarSYFHpf4UfJ8SIP/view?usp=sharing
Download file nghe tại đây: https://drive.google.com/drive/folders/19BnK7972F6ObVHRKcO51DgG2kpdJ0vMF?usp=sharing