Meaning: 'Replete' means abundantly supplied or filled with something.

Wrong options:

• tired: 'Tired' is an adjective that describes fatigue or weariness, which does not fit the context of describing history.
• rapid: 'Rapid' is an adjective that describes speed, which does not appropriately describe the nature of history.
• tried: 'Tried' is the past tense of 'try,' which does not fit grammatically or contextually in this sentence.
• changed: 'Changed' is a verb that does not fit as it does not describe the state of history.
• assembly: 'Assembly' is a noun that refers to a group or process of assembling, which does not fit the context of describing history.
• languishing: 'Languishing' is a verb that means failing to make progress, which contradicts the positive context of history being filled with instances.

Correct answer: changed

Explanation: The verb 'changed' fits grammatically as it describes the action that electricity performed on the way factories were organized. It is in the past tense, aligning with the historical context of the sentence.

Meaning: 'Changed' means to make or become different, indicating the transformation brought by electricity.

Wrong options:

• replete: 'Replete' is an adjective and does not fit as a verb in this context.
• tired: 'Tired' is an adjective that does not convey any action and is irrelevant here.
• rapid: 'Rapid' is an adjective that describes speed, which does not fit as a verb in this context.
• assembly: 'Assembly' is a noun and does not fit as a verb to describe the action of electricity.
• instructions: 'Instructions' is a noun that does not convey an action and is not appropriate here.
• languishing: 'Languishing' is a verb that means to fail to make progress, which does not fit the context of describing a change.

Correct answer: assembly

Explanation: The noun 'assembly' fits grammatically as it refers to the organized process of manufacturing, which aligns with the context of how production methods were transformed.

Meaning: 'Assembly' refers to the process of putting together components to create a product, particularly in manufacturing.

Wrong options:

• replete: 'Replete' is an adjective and does not fit as a noun in this context.
• tired: 'Tired' is an adjective that does not relate to manufacturing processes and is irrelevant here.
• changed: 'Changed' is a verb that does not fit as a noun to describe a manufacturing process.
• rapid: 'Rapid' is an adjective that describes speed and does not fit as a noun in this context.
• instructions: 'Instructions' is a noun that refers to directions, which does not fit the context of describing a manufacturing process.
• languishing: 'Languishing' is a verb that means to fail to make progress, which does not fit the context of manufacturing.

Correct answer: rapid

Explanation: The adjective 'rapid' fits grammatically as it describes the speed of conveyance, aligning with the context of how quickly goods and instructions could be communicated.

Meaning: 'Rapid' means occurring within a short time; fast or quick, indicating the speed of conveyance.

Wrong options:

• replete: 'Replete' is an adjective that describes being filled, which does not fit the context of describing speed.
• tired: 'Tired' is an adjective that describes fatigue and does not relate to the speed of conveyance.
• changed: 'Changed' is a verb that does not fit as an adjective to describe the speed of conveyance.
• assembly: 'Assembly' is a noun that does not fit as an adjective to describe the speed of conveyance.
• instructions: 'Instructions' is a noun that does not describe speed and is irrelevant here.
• languishing: 'Languishing' is a verb that means to fail to make progress, which does not fit the context of describing speed.