For 3 of 5, it's A because it uses "in my opinion" the word 'my' being first person.
I'm not too sure on the others, sorry ;;
Answer:
a principle or standard by which something may be judged or decided.
Explanation:
In my life for the first time [and,] the image made me believe [of] my mother that I could change [were] the way things *were*.
remove and & of because it makes no sense in the context of the sentence and move were to the end of the sentence.
Explanation:
so i've watched graves of the fireflies. its a really sad movie and i really enjoy rewatching it in my free time.