课程目录：
├──01Starters.doc 105.50kb
├──01Starters.mp4 205.97M
├──02My name's Gina.doc 105.50kb
├──02My name's Gina.mp4 127.92M
├──03This is my sister.doc 105.50kb
├──03This is my sister.mp4 130.06M
├──04Is this your pencil.doc 107.50kb
├──04Is this your pencil.mp4 138.92M
├──05Where is my school bag.doc 105.00kb
├──05Where is my school bag.mp4 119.75M
├──06 Do you have a soccer ball.mp4 120.93M
├──07Do you like bananas.mp4 125.34M
├──08How much are these socks？.mp4 125.27M
├──09When is your birthday.mp4 131.68M
├──10my favorite subject is science.mp4 116.72M
├──11Revision I.mp4 138.00M
└──12revision2.mp4 124.43M