11 General - Unit 3 - Lessons 5 - 6 - Houses of the future

________________ light bulbs do a great job lighting houses and actually use 25–80% less energy than regular ones.

There’s a campaign in my city to encourage people to use fewer plastic bags. It’s organised by a group of ______________.

I think more people are now aware of the dangers of processed and chemical products. Everyone wants to buy _____________ food, building materials and even cleaning supplies.

Students doing an _________________ degree usually spend long hours designing buildings for their projects.

_______________ have very stressful jobs; they have to manage big projects, which includes organising construction site workers and building materials.

The _______________ of locking systems increases the security of your home.