2. Complete with the Present Perfect Continuous form of the verb in brackets.

1. People have been polluting the atmosphere for 100 years.
2. Toxic fumes have been poisoning our planet.
3. Air pollution has been destroying the sculpture for 50 years.
4. The tap has been leaking since morning.
5. People have been thinking over green cities issues since they moved.
6. The family has been using solar power panel to heat the house in winter.
7. My parents have been donating money to WWF for a long time.
8. The eco helpers have been planting the trees all the morning.
9. She has been collecting the rubbish to recycle for a week.
10. Engineers have been designing the green car.