Meaning: 'Probably' means likely to happen or be true, but not certain.

Wrong options:

• prompt: 'Prompt' is an adjective meaning done without delay, which does not fit the context of expressing likelihood.
• from: 'From' is a preposition indicating a source or starting point, which does not convey uncertainty about difficulty.
• several: 'Several' is an adjective indicating more than two but not many, which does not fit as it does not express likelihood.
• well: 'Well' is an adverb that indicates a good manner or satisfactory condition, which does not fit the context of uncertainty.
• to: 'To' is a preposition indicating direction or purpose, which does not fit in expressing likelihood.
• there: 'There' is an adverb indicating a place or position, which does not relate to the context of difficulty.
• than: 'Than' is a conjunction used in comparisons, which does not fit in this context.

Correct answer: from

Explanation: The preposition 'from' indicates the source or origin of the benefit, which fits grammatically and contextually in the sentence. It clarifies that the knowledge of languages is a benefit that arises as a result of the migration process.

Meaning: 'From' indicates the source or starting point of something.

Wrong options:

• probably: 'Probably' is an adverb indicating likelihood, which does not fit as it does not indicate a source.
• prompt: 'Prompt' is an adjective meaning done without delay, which does not fit the context of indicating origin.
• several: 'Several' is an adjective indicating more than two but not many, which does not fit as it does not indicate a source.
• well: 'Well' is an adverb that indicates a good manner or satisfactory condition, which does not fit in indicating origin.
• to: 'To' is a preposition indicating direction or purpose, which does not fit in indicating a source.
• there: 'There' is an adverb indicating a place or position, which does not relate to the context of indicating origin.
• than: 'Than' is a conjunction used in comparisons, which does not fit in this context.

Correct answer: well

Explanation: The word 'well' functions as an adverb that complements the phrase, indicating that the economy benefits positively from the knowledge gained through migration. It fits grammatically and contextually, enhancing the meaning of the sentence by emphasizing the positive impact on the economy.

Meaning: 'Well' means in a good or satisfactory manner, indicating a positive outcome.

Wrong options:

• probably: 'Probably' is an adverb indicating likelihood, which does not fit as it does not describe the economy's condition.
• prompt: 'Prompt' is an adjective meaning done without delay, which does not fit in describing the economy's state.
• from: 'From' is a preposition indicating a source, which does not fit in describing how the economy is affected.
• several: 'Several' is an adjective indicating more than two but not many, which does not fit in this context.
• to: 'To' is a preposition indicating direction or purpose, which does not fit in describing the economy's condition.
• there: 'There' is an adverb indicating a place or position, which does not relate to the context of describing the economy.
• than: 'Than' is a conjunction used in comparisons, which does not fit in this context.

Correct answer: to

Explanation: The preposition 'to' indicates direction or purpose, which fits grammatically and contextually in the sentence. It shows the relationship between the culinary influence and the resulting variety of dishes, clarifying that the influence leads to an increase in variety.

Meaning: 'To' indicates direction or purpose, showing the result of the culinary influence.

Wrong options:

• probably: 'Probably' is an adverb indicating likelihood, which does not fit in indicating direction or purpose.
• prompt: 'Prompt' is an adjective meaning done without delay, which does not fit in this context.
• from: 'From' is a preposition indicating a source, which does not fit in indicating direction or purpose.
• well: 'Well' is an adverb that indicates a good manner or satisfactory condition, which does not fit in this context.
• there: 'There' is an adverb indicating a place or position, which does not relate to the context of indicating direction.
• than: 'Than' is a conjunction used in comparisons, which does not fit in this context.
• several: 'Several' is an adjective indicating more than two but not many, which does not fit in this context.

Correct answer: several

Explanation: The word 'several' is an adjective that indicates more than two but not many, which fits grammatically and contextually in the sentence. It emphasizes that there are multiple reasons for the benefits of mass migration, aligning with the overall message of the text.

Meaning: 'Several' means more than two but not a large number, indicating multiple reasons.

Wrong options:

• probably: 'Probably' is an adverb indicating likelihood, which does not fit as it does not describe the number of reasons.
• prompt: 'Prompt' is an adjective meaning done without delay, which does not fit in this context.
• from: 'From' is a preposition indicating a source, which does not fit in describing the number of reasons.
• well: 'Well' is an adverb that indicates a good manner or satisfactory condition, which does not fit in this context.
• to: 'To' is a preposition indicating direction or purpose, which does not fit in this context.
• there: 'There' is an adverb indicating a place or position, which does not relate to the context of describing the number of reasons.
• than: 'Than' is a conjunction used in comparisons, which does not fit in this context.