A. SO OFTEN B. AS OFTEN C. SO OFTEN AS D. AS OFTEN ASYOUR ANSWERS

10. A. so often B. as often C. so often as D. as often asYour answers: 1 2 3 4 5 6 7 8 9 10Question 3: Read the text below and choose the best option A, B, C or D for eachnumbered blank and then write your answer at the end of this part. (1,5 pts)When man first learned how to make a fire, he began to use fuel for the first time.The first fuel he used was probably wood. As time passed, man eventually discovered thatsubstances such as coal and oil (1) _______.Coal (2)_______ very widely as a source of energy until the end of the 19

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century.With the coming of the industrial revolution, it was soon realized that production(3)_______ if coal was used instead of wood. Nowadays, many of the huge factories andelectricity generating stations (4)_______ to function if there was no coal.In the last forty or fifty years, however, the use of coal (5)_______. As a result,there have been changes in the coal industry. It (6)______ that more people(7)_______coal if oil and gas were not so readily available.There is more than enough coal in the world for man’s needs for the next twohundred years if our use of coal (8) ______. Unfortunately, however, about half of theworld’s coal (9) ______. Mining much of it (10)_______ very expensive even if it waspossible to use new equipment.