My grandpa often goes for a____in the park. He never loses his way.

    But yesterday, a police car____him home. A police officer told (告诉) me that my grandpa was____in the park.

    When the police officer went away, I asked grandpa, "What's____with you today?" "Nothing, I just felt____and I didn't want to walk home. So I called the police and they took me home."