I
1) headphones
2) calculator
3) golf
4)
II
1) was tidying; found
2) was using; burnt
3) told ; were playing
4) was listening; stopped
III
1) don’t always have
2) should
3) must
4) should
5) have
6) don’t have
7) shouldn’t
8) should
9) shouldn’t
Baftă!