Решите пожалуйста!!! 9-задание. Там вроде бы надобно времена различные использовать...

Where do you work?
I work at Central Telecoms. I'm a technisian there.
How long have you been working there?
I have been working there for two years.
And where did you work before that?
Before that I was a junior technisian at MobileForce.
Why have you left MobileForce?
Because I've wanted to work in a bigger company.
Have you finished your part-time diploma(?).
Yes, I have.
When did you complete it?
Last July.