Ex. 1 Поставь глаголы в Present Perfect Active or Passive. 1) The habitat of animals in this area (put) at risk when the construction began.

2) A lot of forests (destroy) for the past 10 years.

3) This company (release) a big amount of poisonous chemicals into the city’s river.

4) In order not to pay for utilization they (pour) liquid waste right into the river.

5) Where are my documents? – I (throw) them. I thought it was rubbish.