Выберете правильный ответ 11. You _____ have watched TV for hours, it is a strain for your eyes. a. shouldn’t b. should c. might 12. You _____ to do this task on time. a. may b. have c. can ...

Выберете правильный ответ 11. You _____ have watched TV for hours, it is a strain for your eyes. a. shouldn’t b. should c. might 12. You _____ to do this task on time. a. may b. have c. can Образуйте независимый причастный оборот. (13-17) 13. The power station _____ in our region will run on local coal. a. was built b. being built c. be built 14. The current _____through a conductor, a magnetic field is set up. a. flowing b. flows c. have flown 15. The engine _____ , the operator started it. a. is tested b. was testing c. having been tested 16. A sensitive receiver _____, the electric oscillations could be detected successfully. a. are built b. having built c. having been built 17. Other factors _____ constant, the current is known to be directly proportional to conductivity. a. be b. being c. having been Образуйте инфинитивную конструкцию. (18- 20) 18. Communication _____ to have no limits nowadays. a. is supposed b. is supposing c. was supposed 19. The input and output units _____ to be the necessary components of a computer. a. knows b. are known c. will know 20. We know the current_____ a flow of electrons. a. is b. was c. to be 21. If the operators had used some additional components, they_____able to actuate the relay. a. will be b. would be c. would have been 22. If we _____ this new system of computation, we would make maximum use of the automation principle. a. used b. would use c. had used