The video owner has disabled playback on external websites.
This video is no longer available on YouTube.
This video cannot be played right now.
Watch on YouTube
互动模式
测验
正确答案:
相关视频
FROZEN - For the First Time in Forever Anna and Elsa - Official Disney (3D Movie Clip) - With Words
Climate change threatens Canada's rural communities, report says
Alex Ovechkin strips, flips and dips into his pond
Good Will Hunting (1997): Most Iconic & Dramatic Scenes
How to use 'Have' / 'Has' / 'Have Had' / 'Had Had' (The EASY Way!) - Learn English Grammar
Brabbert
测验
正确答案:
观看视频时会出现测验
记忆技巧
来自此视频
免费开始学语言