IV. There is an error in each line of the passage that follows?

IV. There is an error in each line of the passage that follows. Write the incorrectand correct word in your answer sheet. Plastic bags are not be used because a) are should they should cause much pollution. B) _____________ They need never disintegrate with c) _____________ time. They should block the sewerage. D) _____________ It need to melted and reprocessed e) _____________ but that might make it even more f) _____________ harmful. Even if buried they can g) _____________ never be destroyed. They should be h) _____________ useful today but they would be i) _____________ very harmful for the coming generations. J) _____________.