Your taskFill in the gap in each sentence with the correct word or phrase.aidedchannelledchemicallyclassicalContrarycoupleddecadesdefinitivedynamicsextractioninfinitefoundationglobalisationgradinghierarchical0 / 15 answeredYour score0 / 150%Keep practising! Focus on the explanations below.1Computer- design has transformed architectural practice by enabling rapid prototyping and structural analysis.Correct answer: aided▸ Why?"Aided" is the past participle of "aid" used in a compound adjective meaning supported by; "computer-aided" is the established compound in technical and engineering contexts.2Public frustration was into a peaceful campaign that attracted significant media attention.Correct answer: channelled▸ Why?"Channelled" is the past participle of "channel" used passively, meaning directed into a particular course; "channeled" is the American spelling — both are acceptable.3The compound is inert under normal atmospheric conditions but becomes reactive at high temperatures.Correct answer: chemically▸ Why?"Chemically" = "chemical" + -ly, the adverb meaning in terms of chemistry; "chemical" is an adjective and cannot modify the adjective "inert."4The argument draws on economic theory, which predicts that markets will self-correct when distortions are introduced.Correct answer: classical▸ Why?"Classical" = "classic" + -al, meaning relating to established or traditional forms; "classic" as an adjective means a typical or highly regarded example — "classical economics" refers to the historical school, not just any well-known theory.5 to the committee's expectations, the majority of respondents indicated strong support for the proposed reforms.Correct answer: Contrary▸ Why?"Contrary to" is a preposition phrase meaning in opposition to; "contrarily" is an adverb but the phrase "contrary to expectations" is the standard formal construction.6The increase in demand, with a concurrent decline in supply, drove prices to a record high.Correct answer: coupled▸ Why?"Coupled with" is a participial phrase meaning combined with; "combined with" is a near synonym but "coupled with" is more formal and commonly used in economic and scientific writing.7The transformation of the city's skyline has taken to accomplish and remains unfinished to this day.Correct answer: decades▸ Why?"Decades" is the plural noun meaning multiple periods of ten years; "decade" in the singular would require the article "a" or "the" — the plural is needed for an indefinite long period.8The study provides what many regard as the most account of the causes of the conflict to date.Correct answer: definitive▸ Why?"Definitive" = "define" + -itive (via definite), meaning providing a final and authoritative answer; "definite" means clear and certain but not necessarily the most authoritative — "the most definitive account" is the academic phrase for the best available treatment.9The of power within the organisation shifted considerably after the board was restructured.Correct answer: dynamics▸ Why?"Dynamics" is the plural noun referring to the forces or processes that drive change; "dynamic" as an adjective means energetic — "the dynamics of power" is the standard social science phrase.10The of rare earth minerals has caused significant environmental damage in several major producing regions.Correct answer: extraction▸ Why?"Extraction" = "extract" + -ion, the noun meaning the process of removing something; "extracting" is a gerund — "the extraction of" is the formal noun phrase in environmental and industrial contexts.11Critics argued that the organisation's appetite for expansion appeared virtually , threatening to destabilise the market.Correct answer: infinite▸ Why?"Infinite" = in- + finite, meaning without limits; the in- prefix reverses the meaning of "finite" — the adverb "virtually" + "infinite" is the standard hyperbolic academic phrasing.12The for the modern welfare state was laid in a series of landmark policy reforms during the mid-twentieth century.Correct answer: foundation▸ Why?"Foundation" means the basis or underlying principle; "foundations" (plural) is also acceptable here — both refer to the structural groundwork upon which something is built.13Economic has created new opportunities for developing nations while simultaneously intensifying competitive pressure on domestic industries.Correct answer: globalisation▸ Why?"Globalisation" = "global" + -isation, the noun meaning the process of worldwide integration; "globalism" refers to an ideology — "globalisation" is the standard economics and policy term for the process.14The criteria were revised to give greater weight to critical analysis and original argument.Correct answer: grading▸ Why?"Grading" = "grade" + -ing, the gerund/noun meaning the process of assessing and assigning marks; "gradation" means a series of steps — "grading criteria" is the standard educational phrase.15Traditional structures are increasingly seen as barriers to innovation in knowledge-based industries.Correct answer: hierarchical▸ Why?"Hierarchical" = "hierarchy" + -ical, meaning organised in a ranked system; "hierarchically" is the adverb and cannot modify the noun "structures."Check AnswersPlease answer at least one question first.Found an error in this exercise? Let us know.