<span>Seize the day and make the most of it</span>
"I" is in regards to yourself, you and any humans name are proper nouns that you go by. "a" is not a proper noun it is describing the quantity or the subject of the matter, Ex- [I] love it when [a] cool summer day takes place in my area.
{Bad sentence, sorry}
What’s the underlined word?
Answer:
4. Tear down the wall and get closer to his neighbor.
Explanation:
The speaker feels that building walls is unnecessary and unnatural, and he wants to tear it down and get closer to his neighbor.