1)unperceived
2)old mutt
3)territory
4)path
5)mysterious
6)harsh
7)a teenager deeply interested in engineering, exploring, and creating things
8)he believes that gaming and technology can help grow the brain to expand one's learning
9)people to reject computers
10)cocky
I'm pretty sure it's context, because it's the answer that makes the most sense.
Answer:
1) wrote 2)had 3) missed out 4) took 5) were 6) waited 7) saw 8) had 9) Found 10) waited 11)recorded 12)became 13)went on
Explanation:
