Meaning: 'Unpleasantness' refers to the quality of being unpleasant or uncomfortable.

Wrong options:

• spacious: 'Spacious' is an adjective that describes something large in area, which does not fit as it does not describe a problem.
• rare: 'Rare' is an adjective indicating something uncommon, which does not relate to the issues of living conditions.
• extended: 'Extended' is an adjective that means stretched out or prolonged, which does not apply to the context of problems.
• unfortunate: 'Unfortunate' is an adjective that describes something unlucky, which does not fit as it does not describe a problem directly.
• emptied: 'Emptied' is a verb that does not fit grammatically as it does not describe a state or quality relevant to the blank.
• luxurious: 'Luxurious' is an adjective that describes something rich or sumptuous, which does not fit as it does not describe a problem.

Correct answer: emptied

Explanation: The verb 'emptied' fits grammatically as it describes the action of pots being thrown out of windows. It is in the past tense, which is appropriate for the historical context of the sentence.

Meaning: 'Emptied' means to remove the contents from something, in this case, pots.

Wrong options:

• unpleasantness: 'Unpleasantness' is a noun that does not fit as it does not describe an action.
• spacious: 'Spacious' is an adjective that does not relate to the action of removing contents.
• rare: 'Rare' is an adjective that does not describe an action and is irrelevant here.
• extended: 'Extended' is an adjective that does not fit as it does not describe an action.
• unfortunate: 'Unfortunate' is an adjective that does not describe an action and is not applicable here.
• luxurious: 'Luxurious' is an adjective that does not describe an action and does not fit the context.

Correct answer: unfortunate

Explanation: The adjective 'unfortunate' fits grammatically as it describes the passers-by who are affected by the pots being emptied. It aligns with the context of describing the negative experience of these individuals.

Meaning: 'Unfortunate' refers to someone who is unlucky or in an undesirable situation.

Wrong options:

• unpleasantness: 'Unpleasantness' is a noun that does not fit as it does not describe a person.
• spacious: 'Spacious' is an adjective that describes size, which does not apply to people.
• emptied: 'Emptied' is a verb that does not describe a person and is irrelevant here.
• rare: 'Rare' is an adjective that does not describe a person and is not applicable.
• extended: 'Extended' is an adjective that does not fit as it does not describe a person.
• luxurious: 'Luxurious' is an adjective that describes richness, which does not apply to the context of passers-by.

Correct answer: luxurious

Explanation: The adjective 'luxurious' fits grammatically as it describes the villas of the wealthy, contrasting them with the high-rise blocks. It aligns with the context of discussing the differences in living conditions.

Meaning: 'Luxurious' refers to something rich, elegant, and comfortable.

Wrong options:

• unpleasantness: 'Unpleasantness' is a noun that does not describe the villas and is irrelevant here.
• spacious: 'Spacious' is an adjective that describes size but does not capture the richness of the villas.
• emptied: 'Emptied' is a verb that does not fit as it does not describe a quality of the villas.
• rare: 'Rare' is an adjective that does not apply to the context of describing the villas.
• extended: 'Extended' is an adjective that does not fit as it does not describe the quality of the villas.
• unfortunate: 'Unfortunate' is an adjective that describes something unlucky, which does not apply to the context of the villas.

Correct answer: spacious

Explanation: The adjective 'spacious' fits grammatically as it describes the gardens of the villas, indicating that they are large and comfortable. It aligns with the context of discussing the positive aspects of the wealthy's living conditions.

Meaning: 'Spacious' means having ample space or room.

Wrong options:

• unpleasantness: 'Unpleasantness' is a noun that does not describe the gardens and is irrelevant here.
• emptied: 'Emptied' is a verb that does not fit as it does not describe a quality of the gardens.
• rare: 'Rare' is an adjective that does not apply to the context of describing the gardens.
• extended: 'Extended' is an adjective that does not fit as it does not describe the quality of the gardens.
• unfortunate: 'Unfortunate' is an adjective that describes something unlucky, which does not apply to the context of the gardens.
• luxurious: 'Luxurious' is an adjective that describes richness, which does not specifically describe the size of the gardens.