IELTS Vocabulary Online Quiz

The structure 'caused [something] to' must be followed by the base form of a verb. 'Erode' is the correct verb form here. 'Erosion' and 'evaporation' are nouns, and 'evaporate' does not make sense in the context of a valley and a glacier.

The auxiliary 'did not' must be followed by a base verb. 'Evolve' is the correct verb form that fits the scientific context of species development. 'Evolution' and 'adaptation' are nouns, and 'evaporate' is contextually incorrect.

We need an adjective to modify the noun 'journey'. 'Developmental' is the correct adjective form. 'Develop' is a verb, 'development' is a noun, and 'breakthrough' does not grammatically or contextually fit as well as 'developmental'.

The singular article 'a' must be followed by a singular noun. 'Development' is the correct noun form that fits the context of a new turn of events. 'Develop' is a verb, 'developmental' is an adjective, and 'erosion' does not fit the context.

The prepositional phrase 'in exchange for' is a standard English collocation meaning to give or receive something in return for something else. Other options like 'conversion', 'adaptation', or 'alteration' do not fit this specific idiomatic structure.

The modal verb 'could' must be followed by a base verb. 'Alter' is the correct verb form meaning to make changes to clothing. 'Alteration' is a noun, 'adaptable' is an adjective, and 'evolve' does not fit the context of tailoring.

The preposition 'of' must be followed by a noun. 'Evolution' is the correct noun that fits the philosophical and historical context comparing Aristotle's theories to Plato's. While 'development' is also a noun, 'evolution' is the standard academic term for this specific concept.

The adverb 'very' must modify an adjective in this context. 'Adaptable' is the correct adjective form meaning able to adjust to different conditions or roles. 'Adaptability' and 'adaptation' are nouns, and 'adapt' is a verb.

The sentence requires a noun following the indefinite article "an". "Evaporation" is a noun that metaphorically describes the sudden disappearance or fading away of confidence. The other options are either verbs or do not fit the context of losing confidence.

The blank requires a noun to follow the adjective "excellent" and the article "an". "Adaptation" refers to a movie, book, or play that has been made from another work. Other forms like "adapt" (verb), "adaptable" (adjective), and "adaptability" (noun meaning the quality of being adaptable) do not fit this context.

The context requires a noun meaning a change or modification to the script. "Alteration" means a change or adjustment, which fits perfectly here. "Breakthrough" refers to a major discovery, "evolution" means gradual development, and "adapt" is a verb.

The phrase "ability to" must be followed by a verb in its base form. "Adapt" is the verb form, meaning to adjust or change to suit conditions. The other options are nouns or adjectives and do not fit grammatically.

The noun "adjustment" fits after "a major" to describe a change or modification in the system of government. "Adjust" is a verb, while "adaptable" and "developmental" are adjectives, making them grammatically incorrect in this position.

The noun "development" refers to a new event or turn of events, which fits the context of political talks. "Convert" is a verb, while "erosion" and "evolution" do not fit the context of a sudden change after talks.

The infinitive "to" requires a base verb. "Develop" means to grow, improve, or become more advanced, which fits the context of improving language ability. "Exchange", "alter", and "convert" do not make sense in the context of improving skills.

The construction "to [verb]" requires a base verb. "Adjust" is the only verb among the options, meaning to get used to a new situation. "Adjustment" and "adaptability" are nouns, and "breakthrough" is also a noun.

The verb "alternate" means to switch back and forth between two things, which fits the context of rotating two players (Aguero and Dzeko) in a position. "Evolve" does not fit the context of switching positions, and "evolution" and "development" are nouns.

A "breakthrough" is a significant development or discovery, which perfectly describes the discovery of penicillin. "Adaptation", "evolution", and "exchange" do not fit the context of a major scientific discovery.

The phrase "showed great [noun]" requires a noun that describes a quality. "Adaptability" is the quality of being able to adjust to new conditions, which fits the context of a player changing roles. "Adapt" is a verb, "adaptable" is an adjective, and "adaptation" refers to a modified thing rather than the personal quality.

The verb "convert" means to change something from one form or system to another, which is the standard term for exchanging currency. "Erode" and "adapt" do not apply to currency exchange, and "adjustment" is a noun.