Complete with the present perfect continuous form of the verb in brackets
My parents __________________ (donate) money to WWF for a long time.
The eco helpers _____________________ (plant) the trees all the morning.
She _______________________ (collect) the rubbish to recycle for a week.
Engineers______________________(design) the green car for a long time.
Tony _______________________ (talk) on the phone for two hours.
I _______________________ (look) for my keys since 11 a.m.