Translate the sentences...please.

I've just came from Saint Petersburg, I've been there for 10 days.
Have you seen the new comedy? -Yes, I've seen it recently.
When did you sign a contract with "B" company? - We signed it this month.
When were you last on holidays/vacations? - I haven't been on vacations for 2 years.

Можно чуть исправлю-добавлю Benicio?? Наиболее верно, но:
I've just came from Saint Petersburg, I've been there for 10 days.
Have you seen the new comedy? -Yes, I've seen it recently.
When did you sign a contract with the company "B"? - We signed it this month.
When have you been on holidays\vacations last time? - I haven't been on vacations\holidays for 2 years
The - перед словом company
have been думаю лучше, чем were, и порядок слов немного другой.
Year - во множ числе... .
Как вам так? Справедливо? ?

1. I have just arrived from Sankt - Petersburg, I have stayed there for 10 days.
2.-Have you seen a new comedy?
- Yes I saw it recently (the other day).
3.-When dhave you concluded the contract with the firm "B"?
- We have concluded the contract with them this month.
- When were you on vocation last time?
- I haven't been on vocation for 2 years.