Meaning: 'Believe' means to accept something as true or real.

Wrong options:

• mingle: Mingle is a verb meaning to mix or socialize, which does not fit the context of disbelief.
• air: Air is a noun referring to the invisible gaseous substance surrounding the earth, which does not relate to the action of believing.
• dependent: Dependent is an adjective that describes reliance on something else, which does not fit as a verb in this context.
• down: Down is an adverb or preposition that does not convey the action of believing.
• flames: Flames is a noun referring to the visible, gaseous part of a fire, which does not fit the context of disbelief.

Correct answer: down

Explanation: The word 'down' is used as a particle in the phrasal verb 'burnt down,' which indicates complete destruction by fire. This fits grammatically and contextually as it describes the extent of the house's destruction.

Meaning: 'Down' in this context means to a lower position or completely, indicating the house was entirely consumed by fire.

Wrong options:

• mingle: Mingle does not fit as it refers to socializing and has no relation to the destruction of a house.
• air: Air does not relate to the context of burning or destruction.
• dependent: Dependent does not fit as it is an adjective and does not convey the action of burning.
• believe: Believe does not fit as it is unrelated to the physical act of burning.
• flames: Flames is a noun that describes fire but does not fit grammatically as a verb or particle.

Correct answer: partner

Explanation: The verb 'partner' fits grammatically as it indicates the action of collaborating with someone, which is appropriate in the context of working with YouTube stars. It aligns with the narrative of creating a game together.

Meaning: 'Partner' means to join with someone in a shared activity or project.

Wrong options:

• mingle: Mingle does not fit as it refers to socializing and does not convey the action of collaboration.
• air: Air does not relate to the context of forming a partnership.
• dependent: Dependent does not fit as it is an adjective and does not convey the action of partnering.
• believe: Believe does not fit as it does not relate to collaboration.
• down: Down does not fit as it is an adverb or preposition and does not convey the action of partnering.

Correct answer: based

Explanation: The word 'based' fits grammatically as it serves as a past participle in the phrase 'based on,' indicating the foundation of the card game. This aligns with the context of the game being derived from text messages.

Meaning: 'Based' means to have a foundation or starting point in something.

Wrong options:

• mingle: Mingle does not fit as it refers to socializing and does not convey the idea of foundation.
• air: Air does not relate to the context of establishing a basis for something.
• dependent: Dependent does not fit as it is an adjective and does not convey the idea of being based on something.
• believe: Believe does not fit as it does not relate to the concept of foundation.
• down: Down does not fit as it is an adverb or preposition and does not convey the idea of being based.

Correct answer: flames

Explanation: The noun 'flames' fits grammatically as it describes the visible fire that resulted from the explosion. This aligns with the context of a house being destroyed by fire.

Meaning: 'Flames' refers to the visible, gaseous part of a fire.

Wrong options:

• mingle: Mingle does not fit as it refers to socializing and has no relation to fire or destruction.
• air: Air does not relate to the context of fire or destruction.
• dependent: Dependent does not fit as it is an adjective and does not convey the idea of fire.
• believe: Believe does not fit as it does not relate to the physical aspect of fire.
• down: Down does not fit as it is an adverb or preposition and does not convey the idea of flames.