Meaning: Material refers to the substances or components used to create something, in this case, the elements of a diet.

Wrong options:

• construction: 'Construction' is a noun that refers to the process of building something, which does not fit as it does not describe the components of a diet.
• food: 'Food' is a noun that refers to substances consumed for nourishment, but it does not encompass the broader concept of components that make up a diet.
• complete: 'Complete' is an adjective that describes something that is whole or finished, which does not fit as it does not describe a type of component.
• item: 'Item' is a noun that refers to a single thing or unit, which is too vague and does not specifically relate to the components of a diet.
• perfect: 'Perfect' is an adjective that describes something that is flawless, which does not fit as it does not describe a type of component in the context of a diet.
• building: 'Building' is a noun that refers to a structure, which does not fit as it does not describe the components of a diet.

Correct answer: complete

Explanation: The term 'complete' is an adjective that describes a diet that includes all necessary components. It fits grammatically and contextually as it emphasizes the necessity of all elements for a diet to be effective.

Meaning: Complete means having all necessary parts or elements; in this context, it refers to a diet that includes all essential nutrients.

Wrong options:

• food: 'Food' is a noun that refers to substances consumed for nourishment, which does not fit grammatically as it does not describe the state of the diet.
• construction: 'Construction' is a noun that refers to the act of building, which does not fit as it does not describe the completeness of a diet.
• item: 'Item' is a noun that refers to a single thing, which does not convey the idea of a diet being whole or finished.
• perfect: 'Perfect' is an adjective that implies flawlessness, which does not fit as it suggests an ideal state rather than completeness.
• material: 'Material' is a noun that refers to the components of a diet, but it does not describe the state of the diet itself.
• building: 'Building' is a noun that refers to a structure, which does not fit as it does not describe the completeness of a diet.

Correct answer: food

Explanation: The word 'food' is a noun that refers to substances consumed for nourishment. It fits grammatically and contextually as it describes milk as a type of nourishment that contributes to a complete diet.

Meaning: Food refers to any substance that can be consumed to provide nutritional support for the body.

Wrong options:

• construction: 'Construction' is a noun that refers to the process of building, which does not fit as it does not describe a type of nourishment.
• complete: 'Complete' is an adjective that describes something that is whole or finished, which does not fit as it does not describe a type of nourishment.
• item: 'Item' is a noun that refers to a single thing, which is too vague and does not specifically relate to the type of nourishment being discussed.
• perfect: 'Perfect' is an adjective that describes something that is flawless, which does not fit as it does not describe a type of nourishment.
• material: 'Material' is a noun that refers to the components of a diet, which does not fit as it does not describe a type of nourishment.
• building: 'Building' is a noun that refers to a structure, which does not fit as it does not describe a type of nourishment.

Correct answer: building

Explanation: The term 'building' is used as a noun here to describe the type of material that contributes to the growth and maintenance of the body. It fits grammatically and contextually as it aligns with the discussion of nutrients necessary for bodily development.

Meaning: Building material refers to substances that are essential for growth and development in the body.

Wrong options:

• construction: 'Construction' is a noun that refers to the act of building, which does not fit as it does not describe the type of material needed for the body.
• food: 'Food' is a noun that refers to substances consumed for nourishment, but it does not specifically describe the type of material that contributes to bodily growth.
• complete: 'Complete' is an adjective that describes something that is whole or finished, which does not fit as it does not describe a type of material.
• item: 'Item' is a noun that refers to a single thing, which does not convey the idea of a type of material necessary for bodily development.
• perfect: 'Perfect' is an adjective that implies flawlessness, which does not fit as it does not describe a type of material.
• material: 'Material' is a noun that refers to the components of a diet, but it does not specifically describe the type of material that contributes to bodily growth.