Verified answer

a (shouldn't - не следует, should - следует, должен)

1 shouldn't

2 should

3 shouldn't

4 should

5 should

6 should

b

2 Tidy your desk at the end of every day.

3 Don't watch TV more than two hours a day.

4 Try to walk for ten minutes every day.

5 Don't buy so many clothes.

6 Join a club or a sport team.

с

1 do

2 to find

3 to go

4 learn

5 to meet

6 to drive