V.Fill in each blank in the following passage with ONE suitable word from the box. wastes rural students bulbs electricity save off coal natural energy With the development of science and technology, more and more (1) is used every day. Nowadays, many (2) areas in Vietnam have been electrified, and more (3) is needed. If everyone (4) energy, it will quickly run out. (5) at school should learn how to (6) energy, for example, they should turn (7) the electric lights when they leave their classrooms. Moreover, we may waste electricity at home if we use a lot of light (8) . By not wasting energy, we will save a lot of resources , such as (10) and oil.