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“Do not forget your umbrella on your way out.”

“My uncle is a doctor.”

“She studies at a university in Hanoi.”

“Use an underscore here.”

“Remember to pack enough clean underwear for our three-day trip.”

“All staff members must wear a clean uniform.”

“Each user must have a unique password.”

“Type your username and password to enter the site.”

“Unemployment rates dropped sharply after the new policy took effect.”

“The workers formed a trade union to negotiate better pay and safer conditions.”

“Here is a quick update.”

“Utilities are not included in the rent.”

“Chef ties linen apron around waist before chopping vegetables.”

“The washing machine is located in the utility area.”

“Plumber clears sink drain using metal auger.”

“The UV index reached ten at noon.”

“The chair umpire overruled the line judge's out call on match point.”

“The unavailability of fresh water forced the camp to relocate.”

“There was clear uncertainty in his answer.”

“Potholes caused extensive damage to the vehicle's undercarriage.”

“The plucky underdog staged an upset victory against the number-one seed.”

“The introductory laboratory course is designed specifically for first-year undergraduates.”

“Small mammals hide within dense forest undergrowth to escape hawks.”

“Workers underlaid foam padding beneath the new laminate flooring.”

“A feeling of unease lingered after he noticed the back door unlocked.”

“The strange noise in the basement caused widespread uneasiness among the residents.”

“Her unfaithfulness ended the marriage.”

“Paragraph unity requires every sentence to support the main point.”

“The city experienced unrest after the election results.”

“His strict upbringing taught him the value of discipline and respect.”

“Cat claws quickly shredded the vintage sofa's delicate upholstery.”

“The civilian uprising quickly spread across major regional manufacturing hubs.”

“Our server's uptime is 99.9%.”

“The smartphone app proved its usefulness during our trip by translating menus instantly.”

“The new app has a clean user interface.”

“Please use a clean utensil for this dish.”

“Utilities are not included in the advertised price.”

“He wore a utility-apron while repairing the fence.”

“The surprise evacuation drill threw the office into utter chaos.”

“The ubiquity of plastic microparticles in oceans poses grave ecological risks.”

“She suspected he had an ulterior motive when he suddenly offered to audit the accounts.”

“Fermented soybean paste provides a tremendous blast of pure umami.”

“He took umbrage at the suggestion that his work was unoriginal.”

“Regulators pushed for the unbundling of electricity distribution from energy transmission networks.”

“Recruitment panels undergo training to identify and reduce unconscious bias.”

“Widespread underemployment among university graduates triggered policy changes in education.”

“Excavation work required concrete underpinning to keep adjoining historic structures stable.”

“Ferns and shade-tolerant shrubs thrive in the humid understory.”

“Swimmers were cautioned about a deceptive undertow lurking beneath the calm surf.”

“A major commercial bank agreed to underwrite the public project.”

“The underwriter demanded supplementary proof of passive income before endorsing the commercial loan.”

“Wildebeest and zebras are migratory ungulates traversing the Serengeti annually.”

“Economic unification required aligning tax laws across all member states.”

“The product launch turned into an unmitigated disaster after the server crashed during the keynote.”

“The sudden acquisition caused major structural upheaval across every branch.”

“The upshot of the protracted dispute was a total restructuring of the board.”

“The company invested in AI upskilling to maintain a competitive advantage.”

“Nutrient-rich oceanic upwelling supports major commercial fisheries.”

“Urban sprawl destroys natural habitats around major cities.”

“The new user‑interface streamlines navigation for first‑time visitors.”