D the more you under stand the more your writing skills, test skills and vocabulary will improve
That statement is an opinion.
some teachers may think they have it harder, whilst some students may think the other way.
The basic idea of this quote )and the lines that come before it) is that one must live life to the fullest extent possible. Thoreau is giving this as his reason for coming out into the woods. He doesn't want to be in the position where, when he's about to die, he realizes that he never really lived.
Answer:
A dog is a animal and it is also one kind of best friend of people.