giúp e vs đi mấy ace I . Fill in each blank with one suitable from the box to complete the passage: (1,5ms) Acid rain will not be an easy problem to solve .As more and more countries become …(1)… there will be more and more competition for petroleum for cars, home heating and industry . While ….(2)….petroleum contribute greatly to acid rain, it is less polluted than coal. Unfortunately, petroleum is more ..(3)…than coal and no one knows exactly ..(4) … petroleum is left. Therefore, there will be a pressure to burn coal for energy. Coal is a lot dirtier energy source than petroleum. Since we already know how …(5).. acid rain is, it is important ..(6)… we increase our efforts to find a non-pollutingsource of energy as quickly as possible, so that we can avoid further environmental damage. 1. A. industry B. industrial C. industrialize D. industrialized 2. A. firing B. shooting C. burning D. cooking 3. A. expensive B. cheap C. clean D. dirty 4. A. how many B. how much C. how far D. how long 5.A. destroy B. destroyed C. destruction D. destructive 6. A. that B. if C. weather D. which