Составте 3 предложения с предлогами for since at

I am working at the museum for 2 years.
I've been learning English since 2004.
Tommorow i will wake up at 7 o.clock.

I asked to send for a doctor. -  Я попросил послать за доктором.

I didn't see him since Monday. - Я не видел его после понедельника.

Yesterday I was at school.  - Вчера я был в школе.