A.I. Explanation:

Correct answer: blanketed

Explanation: The word 'blanketed' is a verb in the past tense that fits grammatically and contextually, indicating that his influence covered or enveloped Europe extensively during his halcyon days. This aligns with the overall sentiment of the sentence, which reflects on a time of significant impact.

Meaning: 'Blanketed' means to cover completely or extensively, often used metaphorically to describe widespread influence or presence.

Wrong options:

• performing: Performing is a gerund that describes an action but does not fit the context of describing influence over Europe.
• extra: Extra is an adjective that means additional or more than necessary, which does not relate to the context of influence.
• liberal: Liberal is an adjective that describes a political or social philosophy, which does not fit the context of influence in this sentence.
• submerged: Submerged is a verb that means to be under water or hidden, which does not convey the idea of influence and is contextually inappropriate.
• revert: Revert is a verb that means to return to a previous state, which does not fit the context of describing influence.
• maintain: Maintain is a verb that means to keep or preserve, which does not fit the context of describing the extent of influence.

Correct answer: performing

Explanation: The word 'performing' is a gerund that fits grammatically as it describes the ongoing action he was engaged in while on the road. It complements the structure of the sentence, indicating what he was doing during that time.

Meaning: 'Performing' refers to the act of presenting music or a performance to an audience.

Wrong options:

• blanketed: Blanketed is a past tense verb that does not fit here as it describes influence, not an action he was doing on the road.
• extra: Extra is an adjective that does not describe an action and is irrelevant in this context.
• liberal: Liberal is an adjective that does not relate to the action of performing music.
• arranged: Arranged is a past tense verb that describes a different action and does not fit the context of what he was doing on the road.
• submerged: Submerged is a verb that means to be under water, which does not relate to the action of performing music.
• revert: Revert is a verb that means to return to a previous state, which does not fit the context of ongoing action.
• maintain: Maintain is a verb that means to keep or preserve, which does not describe the action of performing.

Correct answer: arranged

Explanation: The word 'arranged' is a past tense verb that fits grammatically and contextually, indicating that he organized or adapted Vivaldi's scores for different instruments. This aligns with the overall narrative of his musical activities.

Meaning: 'Arranged' means to organize or adapt music for performance, often for different instruments or settings.

Wrong options:

• performing: Performing is a gerund that describes an action but does not fit the context of adapting music scores.
• extra: Extra is an adjective that does not describe an action and is irrelevant in this context.
• liberal: Liberal is an adjective that does not relate to the action of arranging music.
• blanketed: Blanketed is a past tense verb that describes influence, not the action of arranging music.
• submerged: Submerged is a verb that means to be under water, which does not relate to the action of arranging music.
• revert: Revert is a verb that means to return to a previous state, which does not fit the context of arranging music.
• maintain: Maintain is a verb that means to keep or preserve, which does not describe the action of arranging.