Rewrite each sentence in the passive. If there's a star (") at the end of the sentence, don't use by. 1 They dumped a lot of rubbish into the sea last year." 2 Exhaust fumes from cars pollute the atmosphere. 3 Loud motorbikes annoy many people. 4 They have introduced a new recycling scheme.* 5 Factories are pumping a lot of waste into rivers." 6 They're going to build a new airport here next year."помогите (подпишусь)​