Using the correct indefinite pronouns

These are what I think the answers are in parenthesis.

Never judge anyone entirely by (his or her) looks.

Each one has a right to (his or her) own opinion in this matter.

Some man has left (his) raincoat.

Has each student received (his or her) report card?

Every person is expected to do (her or his) best.

The bird was in (its) nest.