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
B1 中级
英语
3:56
Educational
Present Perfect Simple Vs Continuous (Part 1) - Lesson 5
学习统计
B1
CEFR 等级
5/10
难度
评论 (0)
登录后评论
还没有评论。成为第一个分享想法的人！
互动模式
测验
正确！
不太对。
正确答案：
相关视频
SKYFALL | "007 Reporting For Duty"
B1
4:37
ENGLISH SPEECH | MARTIN LUTHER KING JR.: I Have a Dream! (English Subtitles)
8:05
Bill Gates Joked with Steve Jobs About Taking the Wrong LSD, Talks AI and Optimism for the Future
B1
10:54
Why Does Popcorn Pop? | The Science of Food! | SciShow Kids
B1
5:40
Systemic lupus erythematosus (SLE) - causes, symptoms, diagnosis & pathology
B1
11:11
Learn English with Papa Teach Me
测验
正确！
不太对。
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
