k k sir, modi sir. l felt happy and enjoyable after I listened the music concern in your classroom last day, but I had got a problems when I back to my home and found that my music system is not as good as yours, I want to bring my whole music system ( 前級,後級 and the philipe CD player) all togerhers to your classroom on the date of digital audio 比試會. Would you be kind enough to help me to check what problems of my music system. I hope it can get improvement as good as yours, thank you for your co-operation, I look forward to receiving your answer {請用中文回覆}
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