помогите с английским по теме пассивный залог прочтите условие и сделайте пожалуйста правильно даю 50 балов ​

1) A lot of rubbish was dumped into the sea last year

2) The atmosphere is polluted by exhaust fumes from cars

3) Many people are annoyed by loud motorbikes

4) A new recycling scheme was introduced

5) A lot of waste is pumped into rivers by factories

6) A new airport is going to be built next year