_____the streets clean, keep, _____public hygiene, maintain, be taken for _____, granted, _____ unnoticed, go, make a valuable ______ to society, contribution, play a vital _____, role, work _____ the scenes, behind, work _____ hours, unsociable, be exposed ______, to, depend heavily on weather _____, conditions, face a heavier ______ after storms or floods, workload, _______ physically demanding work, perform, work in _____ conditions, harsh, keep the streets ______ of litter, free, prevent rubbish from ______ up, piling, help ______ a cleaner environment, create, improve people's ______ of life, quality, make the city more _____, liveable, protect ______ health, public, _______ streets, littered, illegal ______, dumping, ______ rubbish bins, overflowing, waste piling _____, up, landfills reaching _______, capacity, ______ of rubbish properly, dispose, recycle whenever _____, possible, respect public ______, spaces, ______ essential workers, appreciate, ______ my part to protect the environment, do

EXERCISE 2: COLLOCATIONS

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