Meaning: "viable" means workable or possible.

Wrong options:

• viabel: Two letters are in the wrong order. Write "viable". Only the exact spelling gets the mark.
• visible: "visible" is about sight, not workable or possible.

Correct answer: standards

Explanation: Here you hear "implementing energy-efficient building standards". The sentence asks for more than one, so do not forget the s at the end.

Meaning: "standards" means rules or levels to meet.

Wrong options:

• standars: It leaves out the "d". Write "standards". Only the exact spelling gets the mark.
• standard: "standard" has no "s" at the end. The speaker says "standards", so write the "s".

Correct answer: sustainable

Explanation: The speaker says "Additionally, sustainable urban". It comes before "urban", so you need a describing word that ends in able.

Meaning: "sustainable" means able to be kept for a long time.

Wrong options:

• sustanable: It leaves out the "i". Write "sustainable". Only the exact spelling gets the mark.
• sustained: "sustained" is a close word, but it ends in "ed". The speaker says "sustainable", which ends in "able".

Correct answer: housing

Explanation: You hear "development of affordable housing". The word needed is a general word for homes or places to live.

Meaning: "housing" means homes or places to live.

Wrong options:

• hosuing: Two letters are in the wrong order. Write "housing". Only the exact spelling gets the mark.
• houses: "houses" is a close word, but it ends in "es". The speaker says "housing", which ends in "ing".

Correct answer: environment

Explanation: Listen for "healthier environment for". It comes after "healthier", so you need a word for the world we live in.

Meaning: "environment" means the air, land, and conditions around us.

Wrong options:

• enviroment: It leaves out the "n". Write "environment". Only the exact spelling gets the mark.
• environmental: "environmental" has an extra "al" at the end. The speaker says "environment".