Choose the word or phrase (a, b, c or d) that best fits the blank space in the following passage.
  Most of the energy we use today (1) ......... from coal, oil and gas. But these will not last for ever, and burning them is slowly harming the (2) .......... We need to (3) .......... other ways of supplying energy. Solar Power is a way of using the (4) ......... energy as heat or to make electricity. We can also use wind-power by building mordern (5) ........... that spin in the wind. There are several types of water-power: river water in mountainous areas can (6) ......... to generate hydroelectric power, and we can also create electricity (7) ............ sea water flowing in and out with the (8) ........
1. a. makes      b. creates       c. comes       d. begins
2. a. soil           b. atmosphere       c. water       d. resources
3. a. look after        b. look into        c. look at       d. look for
4. a. sun's        b. moon's       c. star's        d. earth's
5. a. windbreaks      b. windmills      c. wind tunnels     d. wind chimes
6. use              b. using          c. be used      d. to use
7. a. in             b. for              c. by               d. from
8. a. crests      b. ways           c. waves       d. tides