Answer:
The participle in this is shook
Explanation:
The teams shook hands this meaning that the game was fair and both teams respect and support each other.
Answer: were
Explanation: this one makes sense
Honestly it really depends on what the topics are but you would start with the attention grabber, then compare it to your subject, then you would say if you were writing about your beliefs on pollen, I believe that pollen is the world worst allergy because and then put the justifications after.