The book...much about 1.was speaking 2.speaks 3.is spoken 4.is speaking Computer...is important part in our everyday life 1.play 2.were played 3.plays 4.was played The work ...by the students of our group 1.has been done 2.has ...

The book...much about 1.was speaking 2.speaks 3.is spoken 4.is speaking Computer...is important part in our everyday life 1.play 2.were played 3.plays 4.was played The work ...by the students of our group 1.has been done 2.has been doing 3.have been done 4.has done