Complete with the Present Perfect Continuous form of the verb in brackets. 1.People _____________ (pollute) the atmosphere for 100 years. 2.Toxic fumes ____________ (poison) our planet. 3.Air pollution _____________(destroy) the sculpture for 50 years. 4.The tap ____________(leak) since morning. 5.People ______________(think )over green cities issues since they moved. 6.The family_______________ (use )solar power panel to heat the house in winter. 7.My parents _______________(donate) money to WWF for a long time. 8.The eco helpers ________________(plant) the trees all the morning. 9.She_____________( collect) the rubbish to recycle for a week. 10.Engineers _______________(design) the green car.