EX6:
a)
1-c 2-e 3-b 4-a 5-f 6-d
b)
1) Because there was so much graffiti on the buildings's walls
2) she felt insecure when she saw the power line.
3) Because she thought they might fall down
4) These things prevented her from enjoying beautiful sights of the city
5) It caused her so much stress and she does not want to study
6) She decided to clean her room and put her things in their proper places
