For / Since / Ago

We have been learning English_______we left primary school

I haven't seen the company manager_________last week

We haven't met up _________ October

Two months__________, we went to the cinema

My sister has been in this company__________eight months

The employee has been waiting in your office_________one hour , that's why he's really angry

The athletes have trained hard________the beginning of the season

The famous shop, Marks&Spencer has grown a lot ________ 1903

She has been much better ________a long time

We sent off our application three days _____________

I have been studying in this technical school________two years

He was still an unknown singer a few years ___________

________ then, it has built stores in Europe and in Far-Eastern countries

He hasn't smoked_________he started working in this company

We met his parents two weeks______on Sunset Boulevard

I've been watching TV_________half past two