The app gives not American but British English and there IS huge difference
It’s British English. Not American. Example: “She has GOT two brother” said the app. In USA they never say it like this. The say “She has 2 brothers”
British Council
It is a very useful application.
Excelente app para estudiar gramática
Súper recomendada para ayudar en la gramática
Muito Bom
Poderia haver explicação gramatical para as respostas.
Great
Because it’s useful and free






