Test 8 (7 class) 1 variant i. 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.