Your taskFill in the gap in each sentence with the correct word or phrase.labourmethodologypercentageperiodicprincipledrolesectionsectorsourceevaluationimpactacquisitionadministrativeaffectiveaspect0 / 15 answeredYour score0 / 150%Keep practising! Focus on the explanations below.1Child has been banned by international law but continues to exist in unregulated sectors of the global supply chain.Correct answer: labour▸ Why?"Labour" as a noun means work, especially physical work, or the workforce; "laborious" means requiring great effort but is an adjective and cannot follow "child" as a compound noun.2The study employed a mixed-methods combining quantitative surveys with in-depth qualitative interviews.Correct answer: methodology▸ Why?"Methodology" = the system of methods used in a discipline; "method" refers to a single procedure — "methodology" is the academic term for the overall research approach.3The of households living below the poverty line increased by two points over the decade.Correct answer: percentage▸ Why?"Percentage" is the noun form used when the exact figure is not stated; "percent" follows a specific number (e.g., 20%) but cannot stand alone as the subject of this clause.4The committee conducts reviews of its data-collection protocols to ensure ongoing consistency.Correct answer: periodic▸ Why?"Periodic" = "period" + -ic, meaning occurring at regular intervals; "periodical" can also mean recurring but is more commonly used as a noun for a magazine or journal.5The organisation built its reputation on a approach to business ethics that rejected short-term profit over long-term trust.Correct answer: principled▸ Why?"Principled" = having strong moral principles; "unprincipled" is the opposite — the sentence's positive framing requires the base form without the un- prefix.6Economists have long debated the appropriate of government intervention in free markets.Correct answer: role▸ Why?"Role" means the function or position someone or something has; "roles" would imply multiple distinct functions — the singular form is standard in the phrase "the role of."7The final of the report summarised the key findings and outlined recommendations for policy change.Correct answer: section▸ Why?"Section" means a distinct part of a document or report; "sector" is a near-sounding word but refers to a division of the economy or society, not to parts of a text.8Growth in the service has outpaced manufacturing across most developed economies over the past two decades.Correct answer: sector▸ Why?"Sector" refers to a distinct division of the economy; "section" is often confused with it but refers to parts of a text or structure, not to economic categories.9The journalist refused to identify the of the leaked information, citing professional obligations to protect confidentiality.Correct answer: source▸ Why?"Source" means the origin or place from which something comes; "resource" is often confused with it but means a supply of materials or support — the sentence requires a person or document as the origin.10The independent of the programme's effectiveness was hampered by a lack of reliable baseline data.Correct answer: evaluation▸ Why?"Evaluation" = "evaluate" + -tion, the noun meaning the process of assessing; "evaluating" is a gerund — "the evaluation of" is the standard formal noun phrase in academic writing.11The of social media on adolescent mental health has become a major research priority worldwide.Correct answer: impact▸ Why?"Impact" as a noun means the effect or influence; "impact" is also used as a verb but less commonly in formal academic writing — "the impact of" is the standard idiomatic noun phrase.12The company's of a smaller competitor was valued at approximately three billion dollars.Correct answer: acquisition▸ Why?"Acquisition" = "acquire" + -tion, the noun meaning the process of obtaining something; "acquiring" is a gerund — "the company's acquisition" is the formal possessive noun phrase.13New procedures were introduced to reduce processing times for visa and permit applications.Correct answer: administrative▸ Why?"Administrative" = "administrate" + -ive, meaning relating to the management of an organisation; "administratively" is the adverb and cannot modify the noun "procedures."14Research into computing — software that responds to human emotional cues — has grown significantly in the past decade.Correct answer: affective▸ Why?"Affective" = "affect" + -ive, meaning relating to moods or emotional responses; "effective" sounds similar but means producing a desired result — an unrelated meaning in this context.15Environmental sustainability is a critical of urban planning that is often overlooked in favour of short-term economic efficiency.Correct answer: aspect▸ Why?"Aspect" means a particular part or feature of something; "perspective" is sometimes confused with it but refers to a point of view, not a component of a topic.Check AnswersPlease answer at least one question first.Found an error in this exercise? 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