Добрый день, с 1. the decrease in cost of microelectronic devices about changes in the way people and computers interact since the beginning of the century.a) brought b) have brought c) has bought2. my friend a new pc recently and he is very happy now, because it gives him a lot of opportunities for work.a) buy b) bought c) has bought 3. i'm not going to surf the internet today. i all necessary information some time ago. a) find b) found c) have found4. our group mates english on-line this week yet. a) haven't practiced b) didn't practice c) hasn't practiced 5. you brother ever photoshop? a) does use b) has used c) is used 6. when alex icons and music from the internet last time? a) does download b) did download c) has downloaded 7. i haven't seen my cousin 2005. a) since b)from c) for 8. i computer literate by the age of 18 a) became b) have become c) had become9. when we came home, my father already on-line banking a) did b)was doing c) had done10. the children .. games on-line yet, when their mother came home.a) haven't played b) hasn't played c) hadn't played 11. you every opportunity to master english by the time you left the university? a) did use b) had used c) have used 12. perhaps my brother computer business by the time he is 35 a) will have started b) will have start c) will start13. mary's parents a new laptop to her when she passes all her exams with excellent marks. a) present b) presented c) will have presented14. probably everyone computers that fit into your hand by 2020a) will have b) will be having c) will have had 15. i hope books and newspaper by the 22nd century.a) haven't disappeared b) won't have disappeared c) hadn't disappeared 16. by what time you that website? a)will make b) will have make c) will have made 17. modern pcs do amazing things: they even understand spoken language! a) can b)could c) may 18. nowadays computers follow instructions and play mathematical games a) could b) can c) will be able to19. a lot of musicians and music companies were not happy, because people get their music free in the internet.a) can b) will be able to c) could 20. nowadays everybody be computer literate a) must b) had to c) to be to21. he make a report about new computer- based technologies yesterday? a) docs, have to b) did, have to c) is, have to 22. i think you change your old pc for a new model of a laptop - it's more convenient to use.a) must b) should c) can 23. when your parents ask you where you were last night, you tell them lies. a) shouldn't b) mustn't c) оба варианта возможны 24. before i entered the university, i surf the internet and find necessary information a) couldn't b) can't c) won't be able to25. i borrow your floppy disk? - of course, i have some at home. a) must b) may c) should 26. the train to arrive at 5 o'clock. a)be b)is c) are 27. i have only computer at home. a) one b) two c) three 28. i don't like political programmes, but i like musical a) one b) ones c)оба варианта возможны29. internet is the greatest source of information and the most popular a) one b) ones c) оба варианта возможны30. my mother is the best friend for me and a very fair a) one b) ones c) оба варианта возможны

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