1. Mrs. White used to live in the countryside when she was a child
2. Pollution is the most serious issue, isn't it?
3. Are the pencil blue, Sam?
4. More regulations will be made to reduce industrial pollution
5. Jane used to be my neighbor
6. Solutions will be found by scientists re reduce pollution in our country
7. Public transport will be used by students in my school to go to school
8. Our friends were excited about the game show
9. How far it is from Kon Tum city to Pleiku city?
10. In spite of fame, he is amiable
11. Despite heavy rain, the stadium is full of football fans
12. In spite of working flat out, Hellen was sacked
13. Although we live in a simple life, we always feel in high spirits
14. Despite repeating it several times, she didn't understand the question
15. Although the time was short, we finished our work on time
18. Although lee lives near us, we don't see hime very often