Tony was a twelve-­year-­old student. He got out of school at three o'clock every day.His parents usually worked until dinner time and got home very late.So after school Tony went to his grandma's house every day.

    One afternoon Tony walked to his grandma's house as usual.When he reached the door, he found he couldn't find his key anywhere. “Oops，I lost my key，” he said to himself.

    Tony rang the doorbell (门铃), but no one came.He walked around the house and looked in every window.Usually, his grandma was in the living room waiting for him.Today she wasn't there.Tony felt worried.He found the window in the kitchen was open.So he climbed inside.

    Tony found his grandma in her bedroom.She fell down and hurt her leg.Tony ran to call his father.Soon his dad came over and took Grandma to hospital.

    A few hours later Grandma was safely home.Tony told her about his lost key.Grandma was happy that he found a way to help her.She smiled  and told him she had two things for him.First, she gave Tony a new key.Then, she gave him a hug and told him how much she loved him.Tony thought  to himself, “This must be how a hero (英雄) feels.”

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