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.