It was very hot last week and I have to stay at my grandparents' 1. ____
home so my parents were not at home. My grandparents'house 2._____
was quite old and they used electric fans instead air-conditioners. 3._____
I felt uncomfortably because it was very cool in my home as we 4.____
used air-conditioners. I was not used to use electric fans. 5._____
One day,I decided to spend the afternoon in a neighbor's house as 6.____
I knew they had a air-conditioner.However ,to my surprise,I 7._____
found their air-conditioner was not working it.When I asked 8._____
them how they did that,they told me that the worldwas running 9._______
out of energy and that they wanted do our part to save energy. I was 10.____
deeply touched .They were really making efforts to achieve a great goal.