friday class 02.03.2018

coursebook: page 15 exercise 6; page 16 exercises 1,2,3,4; page 17 exercise 1; page 18 exercises 1,2; page 19 exercises 1,2,3; page 20 exercises 1,2,3a.
homework: page 17 exercises 2,3; page 20 exercise 3b; pages 22,23 exercise 3.