Fill in: organic, human, glass, street, solar, habitat, eco-living, underground, endangered, speed.


The ___________________ ceiling in the house provides us with amazing natural sunlight.


2 What would life be like in __________________ cities if people ever decided to build them?


3 Many countries use ____________________ power as a source of energy.


4 There were many ____________________ performers doing acrobatics during the music festival.


5 My school teaches me useful _______________ skills, like gardening.


6 Animals are at risk due to __________________ loss.


7 Future robots are going to use soft material like ____________________ muscles to move.


8 The charity protects ______________________ species.


9 Martin grows his own _____________________ food in his back garden.
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