Toggle navigation
Polly Lingual
if
English
编辑
>
>
例子
Examples
If you have a dog, then having a cat is difficult.
Related Videos
active
¿Porqué el inglés no tiene equivalente a lo formal "Usted"?
Nayane Bremm
active
Introduction: Isabel
Isabel
active
Introduction: James Dudley
James Dudley
active
Introduction: Kelly
Kelly
active
Introduction: jonathan phoenix
jonathan phoenix
Other Activities
Polly Ambassadors
Polly Passport
Daily Crosswords
Review List
Bookmarked Words
讲的地区
English-Speaking Regions
更换语言
中文