English conversation B B12 – a sience fiction story Abuneuvn 12 October, 2018 a sience fiction story GRAMMAR – Ngữ Pháp WORD – Từ vựng Audio Playerhttps://neu.vn/eclub/B/12.mp300:0000:0000:00Use Up/Down Arrow keys to increase or decrease volume. CONVERSATION – Hội Thoại