Lettera formale e informale inglese

Lettera formale e informale inglese

[LETTERA]

Lettera formale e informale inglese, sorgente : https://www.wikihow.com/images_en/thumb/f/f7/Avoid-Colloquial-%28Informal%29-Writing-Step-2-Version-2.jpg/v4-728px-Avoid-Colloquial-%28Informal%29-Writing-Step-2-Version-2.jpg