Choose the correct pronoun

Choose the correct pronoun: During the art fair, Greg and (me, I) acted as guides.

Choose the correct pronoun: Hundreds of pictures were on display; (them, they) were beautiful.

Choose the correct pronoun: (Him, he) and I helped visitors around the auditorium.

Choose the correct pronoun: Is (she, her) the one who drew that scene?

Choose the correct pronoun: While Lonnie was at the fair, (he, him) viewed the pottery exhibit.

Choose the correct pronoun: Will you and (her, she) help with the plans for next year's fair?

Choose the correct pronoun: When visitors arrived, (them, they) were impressed with the quality of the work.

Choose the pronoun in parentheses that is correct.
(He, Him) and Claire told jokes to pass the time.

Choose the pronoun in parentheses that is correct. Just between you and (I, me), I prefer chocolate ice cream to vanilla.

Choose the correct pronoun: Would you please grab a couple of plates for John and (I, me)?