How is paper made? Rewrite the following sentences in the passive, 1 they cut down trees. 2 they send the trees to a paper mill. 3 A machine removes the bark from the wood. 4 They chop the wood into small pieces. 5 They cook pieces until they become a pupl. 6 They pour the paper pupl into a container. 7 They pour the pupl onto a large screen. 8 They drain the water from the paper. 9 Finally, they press the paper flat.