On and a are the correct answers
Answer:
"...Make dinner for everyone!"
Explanation:
Making dinner for Mom will be really unselfish
Answer:
The major theme of Lincoln's speed was slavery.
Explanation:
The major theme was slavery because it caused the civil war.
Answer:
Lothar told Keith, "After the game, I'm going to try and see if Tomas, the owner of the red car will give me a ride because I don't want to walk home. "
Explanation:
I think it would be that you need a comma between "Tomas" and "The"
Hope this is right and hope i helped! ^^