My dog, Riley, loves to run.
"My dog" would be the appositive phrase
Or
Tyler, the boy who lives next door, likes video games.
"The boy who lives next door" is the appositive phrase
What you want to do for the school?
Ans. I want to make the a better place, by participating in competition with other schools, developing art and learning.
Number seven means that you are very busy.
Number 8 means something is very clean or clear