Correction phrases en anglais

Sujet du devoir

bonjour, 

dans le cadre de mon bts, je dois décrire les taches que je fais en entreprise, donner les points positives/ négatives et mes orientations futures. Pouvez vous m’aider pour me corriger mes fautes ?

merci d’avance...

Où j'en suis dans mon devoir

voici les phrases ou j’ai des doutes : 

The organisation is in partnership with 6 production sites. 

They entrusted me with the biling management and litigation. I was given the opportunity to diaries sending for the new year. I made of telemarketing. The positive points are it’s large. My mission was diversity. So, it’s Interessent and instructive. The negative points are that they are not valued our success while when you make a error, it’s opposite. Furthermore, it’s shame we missed been a restaurant tickets or other benefits. After the degree, i hade like to go in management degree. Otherwise, i hade like go in abroad to learn in other languages.