Meaning: "residents" means people who live in a place.

Wrong options:

• residants: It has "a" where the word has "e". The right spelling is "residents". Every letter must be correct to get the mark.
• residence: "residence" is a close word, but it ends in "ce". The speaker says "residents", which ends in "ts".

Correct answer: interaction

Explanation: You hear "exercise, and social interaction". The word follows "social", so you need a word for a kind of contact between people.

Meaning: "interaction" means doing things with other people.

Wrong options:

• interation: It leaves out the "c". Check the letters: "interaction". A small spelling mistake loses the mark.
• interactions: "interactions" has an extra "s" at the end. The speaker says "interaction", with no "s".

Correct answer: quality

Explanation: Listen for "play a critical role in improving air quality". It goes after "air", so you need a word for its condition.

Meaning: "quality" means the state or condition of the air.

Wrong options:

• quallity: It adds an extra "l". Write "quality". Only the exact spelling gets the mark.
• quantity: Quantity means amount, not the state of the air.

Correct answer: inhabitants

Explanation: On the recording you hear "quality of life for their inhabitants". It follows "their", so you need a word for the people living there.

Meaning: "inhabitants" means the people who live in a place.

Wrong options:

• inhabitans: It leaves out the "t". The right spelling is "inhabitants". Every letter must be correct to get the mark.
• inhabits: "inhabits" is a close word, but it ends in "s". The speaker says "inhabitants", which ends in "ants".

Correct answer: important

Explanation: Listen again to "is equally important". The sentence needs a describing word, not a word for a thing, person or idea.

Meaning: "important" means having a lot of value or need.

Wrong options:

• imortant: It leaves out the "p". Check the letters: "important". A small spelling mistake loses the mark.
• importance: "importance" is a close word, but it ends in "ce". The speaker says "important", which ends in "t".

Correct answer: generations

Explanation: Here you hear "a valuable resource for future generations". It comes after "future", so you need a word for more than one group born later.

Meaning: "generations" means groups of people born around the same time in the future.

Wrong options:

• genarations: It has "a" where the word has "e". Write "generations". Only the exact spelling gets the mark.
• generation: "generation" has no "s" at the end. The speaker says "generations", so write the "s".