Meaning: "stewardship" means care and management of the environment.

Correct answer: telecommuting

Explanation: Listen for "encourage telecommuting to decrease". You need a word for working from home.

Meaning: "telecommuting" means working from a place away from the office, usually home.

Correct answer: thermostats

Explanation: On the recording you hear "install smart thermostats to optimise". It comes after 'smart', so you need a thing and more than one.

Meaning: "thermostats" means devices that control heating and cooling in rooms.

Wrong options:

• thermostates: It adds an extra "e". The right spelling is "thermostats". Every letter must be correct to get the mark.
• thermostat: "thermostat" has no "s" at the end. The speaker says "thermostats", so write the "s".

Correct answer: facilities

Explanation: Listen again to "banning single-use plastics in all our facilities". It comes after 'our', so you need a word for places or buildings.

Meaning: "facilities" means company places like offices and rooms where work happens.

Wrong options:

• facilites: It leaves out the "i". Write "facilities". Only the exact spelling gets the mark.
• facility: "facility" is a close word, but it ends in "y". The speaker says "facilities", which ends in "ies".

Correct answer: biodiversity

Explanation: Here you hear "promote biodiversity and improve". You need a word for variety of plants and animals.

Meaning: "biodiversity" means the variety of living things in an area.

Wrong options:

• biodiveristy: Two letters are in the wrong order. The right spelling is "biodiversity". Every letter must be correct to get the mark.
• diversity: This drops the 'bio' part and changes the meaning to general variety.

Correct answer: air

Explanation: The speaker says "improve air quality". After 'improve' you need a short word for what we breathe.

Meaning: "air" means the mixture of gases we breathe around us.

Wrong options:

• aire: It adds an extra "e". Write "air". Only the exact spelling gets the mark.