Brush up audio exercises Ch1-50 https://ielts.edc.edu.hk/wp-content/uploads/2021/07/01-1-07-Unit-01-Ex.07-Saying-Hello.mp3 https://ielts.edc.edu.hk/wp-content/uploads/2021/07/02-1-08-Unit-01-Ex.08-Conversation-Hes.mp3 https://ielts.edc.edu.hk/wp-content/uploads/2021/07/03-1-09-Unit-01-Ex.09-Grammar-Focus-The.mp3
