A) nostalgic and thoughtful
Answer:
constant
Explanation:
it's talking about how the students will be needing to change their skill set constantly
I think it’s C ,
A sound combination of work, play and rest makes a man healthy
Introduction.
A book's introduction is closely related to the content of the book itself. Usually found in nonfiction work, the introduction may summarize the main argument presented in the rest of the book, define any important terms, or fill in background details.
