【简答题】A.David has little interest in music. B.He has not played the violin for a long time. C.David has met Miss Hanson before. D.He is a very good violin player.
【单选题】She would like ____ a violin lesson.
【单选题】The history of China is about _______ years. [ ]
【简答题】从优秀国产影片中根据动势剪辑完成30S作品。