Present Perfect Continuous

My parents   for 7 years to support my study. (work)

Richard   in the kitchen for an hour? (cook) 

Our boss in this position for 10 years. (stay)

Jason is too late. The meeting   for 30 minutes. (start)

Lisa   to the radio since she was nine. (listen / not)

His son   computer games all night. (play)

The dancer    for her show for the last three months. (practice)

Anthony   to fix the relationship for three months. (try)

We a lot of money since we got paid. (spend)

John   his new house after his marriage. (build)