Basically, this quote means that you should do what's best for you even if the choices you make might hurt someone else. It also states that you need to do things that are in your best interest, even if they hurt and are painful because at the end of the day you are the most important person and you deserve to be happy.
Answer:
sentence 2 is structured differently than the others.
This statement expresses certainty
Answer: The answer would be B
Explanation: I'm assuming he timeline is showing the project they are going to do for the next race, so B would be your answer
Would, and go is a verb on this sentences. A is a correct answer.
Hope it helped you.
-Charlie