He(decorative)___________hisroomwithpicturesofallhisfavoritesportsstarsyesterday.
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I'vefoundmanypiecesofinformation;butnoneofthemis(use)__________.
Thesemachinesarenot(efficiency)____________atall;theywastemealotoftime.
Vitaminsarebelievedbymanypeopletobe(benefit)____________toourhealth.
Thoughhewasbornwithahearing(defective)__________,henevergaveup.
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