How do you put piteously in to a sentence?

1. The child's piteously cries could be heard throughout the house.

2. He looked at her with piteous eyes and begged for forgiveness.

3. The animal's plight can only be described as piteously miserable.

4. Their pleas for help were piteously answered with silence.

5. The old man's piteously condition moved everyone to tears.