Present perfect progressive

I _____ (live) in Qatar since 1990

• have been living
• living
• lived
• was living

They ______ (work) in this school for 3 years

• have been working
• has worked
• worked
• was working

She _______ (teach) since 2000

• has been teaching
• taught
• was teaching
• had taught

I _______ study for 3 hours.

• have been studying
• studied
• had studied
• was studying

They _______ (prepare) lunch since 2 o'clock

• have been preparing
• had prepared
• was preparing
• prepared

We _______ (sing) for two hours.

• have been singing
• sang
• singing
• was singing

She ______ (wrote) for 2 hours.

• has been writing
• writing
• had wrote
• was writing

She _______ (speak) in the phone for 2 hours.

• has been speaking
• spoke
• was speaking
• had spoken

I ________ (wait)  for you since 10 am

• have been waiting
• waited
• was waiting
• had waited

We _______ (walk) for 5 hours.

• have been walking
• had walked
• walks
• was walking