Question

2 Раскройте скобки, употребляя глаголы в Active или Passive Voice. 8. Many people, including engineers and construction experts, (to involve) in figuring out what type of road should be made. 9. Smart materials are materials (to change) their properties in response to external conditions 10. Gasoline car engines (to use) spark ignition whereas diesel engines use compression ignition. 11. Some construction work (to do) in Park Avenue now. 12. The pavement (to widen) recently. 13. Street lights (to replace) a year ago. 14. The talks still (to hold). 15. Huge blocks of flats (to build) all last year. 15. Bill Gates and Paul Allen (to found) Traf-O-Data in 1971 to sell their computer traffic-analysis systems.

Answer 1

8)are involved; 9)that change; 10)use; 11)is being done; 12)has been widened; 13)were replaced; 14)is still holding; 15)were built; 16)founded

Answer 2

8. Many people, including engineers and construction experts, are involved in figuring out what type of road should be made.
9. Smart materials are changed their properties in response to external conditions.
10. Gasoline car engines use spark ignition whereas diesel engines use compression ignition.
11. Some construction work is being done in Park Avenue now.
12. The pavement was recently widened.
13. Street lights were replaced a year ago.
14. The talks are still being held.
15. Huge blocks of flats were built all last year.
16. Traf-O-Data was founded by Bill Gates and Paul Allen in 1971 to sell their computer traffic-analysis systems.