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
9:02
Educational
HAVE BEEN or HAD BEEN?
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
The whole Springfield is devastated by radiation [The Simpsons]
B1
10:12
Macro: Unit 2.6 -- Classical v. Keynesian Theories
B1
13:32
Joel & Ellie Meet Old Couple Scene | The Last of Us (Pedro Pascal, Bella Ramsey)
B1
3:40
TOP 1% WOMAN ROUTINE: how to stay productive, healthy + disciplined
B1
20:17
Monty Python's best sketch ever
B1
4:58
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
