课程目录：
├──01 Where did you go on vacation？.doc 105.50kb
├──01 Where did you go on vacation？.mp4 117.25M
├──02 How often do you exercise？.doc 109.50kb
├──02 How often do you exercise？.mp4 169.02M
├──03 I'm more outgoing than my sister.mp4 128.93M
├──03 I’m more outgoing than my sister.doc 106.00kb
├──03I am more outgoing than my sister..doc 125.50kb
├──03I am more outgoing than my sister..mp4 121.01M
├──04 What's the best movie theater？.doc 99.50kb
├──04 What's the best movie theater.mp4 117.08M
├──04How often do you exercise.doc 115.50kb
├──04How often do you exercise.mp4 122.95M
├──05 Do you want to watch a game show.doc 97.50kb
├──05 Do you want to watch a game show.mp4 114.94M
├──06 I am going to study computer science..doc 122.50kb
├──06 I am going to study computer science..mp4 91.99M
├──07Will people have robots？.doc 114.00kb
├──07Will people have robots？.mp4 126.69M
├──08 How do you make a banana milk shake.doc 105.50kb
├──08 How do you make a banana milk shake.mp4 106.97M
├──08How do you make a banana milk shake.doc 116.50kb
├──08How do you make a banana milk shake.mp4 88.23M
├──09 Can you come to my party.mp4 119.25M
├──09 Can you come to my party.doc 105.50kb
├──09 Can you come to my party.mp4 136.09M
├──10 If you go to the party,you'll have a great time!.doc 111.50kb
├──10 If you go to the party,you'll have a great time!.mp4 102.64M
├──11 revision2.doc 135.50kb
└──11revision2.mp4 105.91M
