V. Give the correct form of the words given to complete the sentences. 1. Solar power can be used to _________ or cool our houses. (HOT) 2. There will be a _________ of energy in the near future. (SHORT) 3. Scientists are looking for clean and _________ resources of energy. (EFFECT) 4. Solar energy is plentiful and it can be replaced _________. (EASY) 5. Nuclear power is expensive and _________. (DANGER) VI. Read the text and choose the correct answer A, B, C or D for each of the gaps. (1) _______ Sun has provided us with many uses. Thousands of years (2) _______ people began to dry clothes and food (3) _______ the sunlight. But its not until recently that we (4) _______ been able to generate power from it. There are three main (5) _______ of using the Suns energy: solar cells, solar (6) _______ heating and solar furnaces. One of the good points of solar energy is that it is an (7) _______ source. Moreover, it produces no waste or (8) _______. Therefore, in countries with sunny climate, solar energy has great (9) _______. However, it has come disadvantages as well, such as it doesnt work at (10) _______ and costs very high. 1. A. The B. A C. An D.X 2. A. before B. lately C. ago D. recently 3. A. on B. for C. in D. up 4. A. have B. has C. had D. to have 5. A. methods B. means C. styles D. ways 6. A. sir B. water C. soil D. wind 7. A. expensive B. non-renewable C. limited D. unlimited 8. A. pollution B. pollute C. polluted D. polluting 9. A. potent B. potential C. potentate D. potentially 10. A. noon B. day C. night D. morning