Choose the best answer A, B, C or D 7. He became .when a journalist asked him questions about his private life. A. embarrass B. embarrassed C. embarrassing D. embarrassingly 8. .do the buses run? Every ten minutes. A. How B. How many C. How often D. What time 9. Cyclists must .for pedestrians when they are cycling along the country lane. A. see off B. look out C. avoid D. observe 10. We will cut down on the use of natural gas because it is and harmful to the environment. A. plenty B. limited C. available D. abundant 11. If we go on .electricity, we will have to pay a lot next month. A. wasting B. increasing C. turning on D. making 12. At this time next week we .to work to support the air pollution cutting down campaign. A. will cycle B. will be cycled C. are cycling D. will be cycling 13. You can use a jet pack to .anywhere easily. A. drive B. sail C. ride D. fly 14. The scars which are generated by solar energy are called cars. A. solar-wasted B. solar-powered C. solar-friendly D. solar-daily 15. I think means of transport in the future .petrol. A. arent using B. arent going to use C. wont use D. wont be using