Sentences 1 and 4 are given. Sentences 2 and 3 are missing. Choose two sentences that will complete the paragraph.
Sentence 1 : Disposal of household waste is a daunting task for local authorities.
Sentence 2 : _________________________
Sentence 3 : _________________________
Sentence 4 : One way to reduce waste therefore is to segregate biodegradable and non biodegradable waste at its source.
(D) Efforts should be made to recycle household waste.
(E) They cannot just dump waste in landfills.
(F) This is because household waste contains many materials and substances which are extremely harmful to the environment.
Please teach me how to do these type of sentence