Answer:
C
Explanation:
They are normally either animals or, in you case, "search tenaciously for and find something."
So, it is discover.
1 d
2 b
3 b
4 none of them, it is future perfect progressive.
Answer:
Yes
Explanation:
You can see that that applied terms are correct
Answer: I believe it would be definition 1
I apologize in advance if it’s wrong I can’t see the text clearly, but I hope it helps to some extent!