C. Missed Choose the best answer A, B, C, or D to complete the sentences. 1. Now we for a cheap, clean and efficient energy source. B. are looking A. look C. looks 2. Because vehicles using fossil fuels cause pollution, scientists want to find a cheaper and replacement. A. inconvenient C. polluted 3. If Thomas is late for the bus, he will A. take B. ride D. have a taxi to go to the train station. C. stop 4. Wind is renewable source of energy, because it can be easily A. converted B. changed C. removed 5. Children love eggs at Easter. B. eating A. Does - he does Henry have a TV in his room? - No, B. Is he isn't 7. My English teacher, Mr. Nam, often drives his car A. careful 6. A. cooking 8. When my brother was a boy, he A. was used to going 10. 9. How far is it A. from B. dangerous B. caring A. What 11. My dad enjoys house to school? B. with do you go to school? - I ride my bicycle. B. When his bike to work. fishing. B. used to go C. carefully C. at C. used to going D. remembered 1 C. Why C. painting D. breaking C. Does he doesn't D. Do - he doesn't on the way to school. D. is looking D. eco-friendly D. replaced D. careless D. on D. is used to going D. How