Write a sentence about animals that includes two common nouns

Im the following sentence, what is the complete subject . an old friend of mine is in the hospital

Hey guys! i've got an exercise where you've to find out the correct sentence in each pair. 1) a-we were tired and thirsty, so we stopped to have a drink at the cafè. b-we were tired and thirsty, so we stopped having a drink at the cafè. 2)a-if your computer freezes, try to turn it on and off again and see if that . b-if you computer freezes try turning it on and off again and see if that . me! it's urgent!

Which words indicate a text is written i the first-person? a. she, her, hers b. they, them, theirs c. he, him, his d. i, me, my