Meaning: 'Ordinary' refers to something that is normal or usual, in this case, the typical routines people follow.

Wrong options:

• slow: The word 'slow' is an adjective that describes speed, which does not relate to the nature of routines in this context.
• demanding: The word 'demanding' describes something that requires a lot of effort, which does not fit as it does not describe the type of routines.
• electric: The word 'electric' refers to something powered by electricity, which is not relevant to the description of routines.
• more: The word 'more' is a comparative adverb that does not fit as it does not describe the nature of routines.
• much: The word 'much' is an adverb that indicates a large amount but does not describe the type of routines.
• many: The word 'many' is a determiner that refers to a large number of countable nouns, which does not apply to routines as they are uncountable in this context.
• selective: The word 'selective' describes something that involves careful choice, which does not fit the context of describing routines.

Correct answer: electric

Explanation: The term 'electric' fits grammatically as it describes the type of can openers being referenced. It is contextually appropriate as it highlights modern technological advancements.

Meaning: 'Electric' refers to devices powered by electricity, in this case, can openers that simplify tasks.

Wrong options:

• slow: The word 'slow' describes a lack of speed, which does not apply to can openers and is irrelevant in this context.
• demanding: The word 'demanding' does not fit as it describes something requiring effort, which is not applicable to the type of can openers.
• more: The word 'more' is a comparative adverb that does not describe the type of can openers.
• much: The word 'much' is an adverb indicating a large amount, which does not apply to describing can openers.
• ordinary: The word 'ordinary' describes something common, which does not specifically relate to the technological aspect of can openers.
• many: The word 'many' refers to a large number of countable items, which does not fit as can openers are not being counted here.
• selective: The word 'selective' implies careful choice, which does not apply to the description of can openers.

Correct answer: demanding

Explanation: The word 'demanding' fits grammatically as it describes the level of physical effort required. It aligns with the context of discussing the need for physical activity.

Meaning: 'Demanding' refers to something that requires a lot of effort or energy, in this case, physical activity.

Wrong options:

• slow: The word 'slow' describes a lack of speed, which does not relate to the physical effort required in this context.
• electric: The word 'electric' does not fit as it describes something powered by electricity, which is irrelevant to the physical demands of activity.
• more: The word 'more' is a comparative adverb that does not describe the level of physical effort.
• much: The word 'much' is an adverb indicating a large amount, which does not apply to describing the nature of physical effort.
• ordinary: The word 'ordinary' describes something common, which does not relate to the level of physical effort required.
• many: The word 'many' refers to a large number of countable items, which does not fit as it does not describe effort.
• selective: The word 'selective' implies careful choice, which does not apply to the description of physical demands.

Correct answer: much

Explanation: The word 'much' fits grammatically as it quantifies the amount of fat being referred to. It is contextually appropriate as it emphasizes the excess of fat carried by the body.

Meaning: 'Much' refers to a large amount of something, in this case, fat.

Wrong options:

• slow: The word 'slow' describes a lack of speed, which does not relate to the quantity of fat.
• demanding: The word 'demanding' describes something requiring effort, which does not fit as it does not quantify fat.
• electric: The word 'electric' refers to something powered by electricity, which is irrelevant to the context of fat quantity.
• more: The word 'more' is a comparative adverb that does not fit as it does not quantify fat directly.
• ordinary: The word 'ordinary' describes something common, which does not apply to the quantity of fat.
• many: The word 'many' refers to a large number of countable items, which does not fit as fat is uncountable in this context.
• selective: The word 'selective' implies careful choice, which does not apply to the description of fat quantity.