Надо task 1. use the prefixes dis- or un- to make new words. 1) believe - 2) common - 3) usual - 4) like - 5) agree - 6) polluted - 7) appear - 8) honest - 9) healthy - 10) comfort - 11) natural - 12) happy - 13) please - 14) real -

1 unbelieve
2 uncommon
3 unusual
4 dislike
5 disagree
6 unpolluted
7 disappear
8 dishonest
9 unhealthy
10 discomfort
11 unnatural
12 unhappy
13 unpleased
14 unreal