Помогите с грамматикой по английскому. Хотел текст напрямую закинуть, но он нормально не вставляется. Сделайте хотя бы часть, очень прошу.

3.Russian computer specialists ... to develop new means of communication at present.b) are trying 4.Turn off the TV-set, please. I ... it.a) do not watch 5.What... Kate now? She’s speaking over the phone.a) is, doing b) does, do c)are doing НЕ ЗНАЮ6.I couldn’t call you back at that moment, I ... English on the Internet.a) practiced 7.When we entered the room, the students ... sms messages,a) didn’t read b) wasn’t reading c) were not reading НЕ ЗНАЮ8.They ... their new goods, when 1 switched on my TV-set. a) advertised СКОРЕЕ ВСЕГО, НО ТОЧНО НЕ ЗНАЮ9. While the teacher was explaining how to arrange financial in­formation, the students ... ring tones.a)was downloading b) downloading c)were downloading НЕ ЗНАЮ10.What... you yesterday at 3? — I was trying to connect to ourcompany computer.a) did, do СКОРЕЕ ВСЕГО, НО ТОЧНО НЕ ЗНАЮ

1.b2.b3.b4.a5.c6.c7.c8.c9.a10.c11.b12.b13.c14. c15. b16. a17.a