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 ЗНАЮ
6.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 ЗНАЮ
8.They ... their new goods, when 1 switched on my TV-set.
a) advertised СКОРЕЕ ВСЕГО, НО ТОЧНО НЕ ЗНАЮ
9. While the teacher was explaining how to arrange financial information, the students ... ring tones.
a)was downloading b) downloading c)were downloading НЕ ЗНАЮ
10.What... you yesterday at 3? — I was trying to connect to our
company computer.
a) did, do СКОРЕЕ ВСЕГО, НО ТОЧНО НЕ ЗНАЮ