Complete the sentence with the appropriate complement personal pronoun(him,us,her,me,them ect ...)

1-Thispen is for Mary. Give it to...
2-I need help. Please, help....
3-The boys are playing football. Give ....... the ball.
4-We are hungry. Bring ........ the sandwiches, please.
5-Father is in the living room. Give ......the book.​