3 Complete the sentences using the Present Perfect Continuous form of the verbs in brackets: 11... (donate) money to environmental organizations for the last five years. 21... (volunteer) at the zoo for a year already! 3 It ... (rain) for two hours and it won't stop! 4 The students... (try) to reduce pollution. 5 We ... (work) hard to raise interest of environmental problems. 6 Acid rain ... (destroy) natural habitats for years

Ответ:

1. I have been donating money to environmental organizations for the last five years.
2. I have been volunteering at the zoo for a year already!
3. It has been raining for two hours and it won't stop!
4. The students have been trying to reduce pollution.
5. We have been working hard to raise interest of environmental problems.
6. Acid rain has been destroying natural habitats for years.

Ответ: have been donating, have been volunteering, has been raining, have been trying, have been working, has been destroying