根据短文内容及首字母提示，填写所缺单词，使短文意思完整。
Karen was a social worker．Every day, on her way to work, she had to pass a place where many poor people liveD． She had not paid much ato it before．But this changed one day when she met a poor boy c Ben．Ben knew she was the head of social service, and that she could h ．He reached out his hand and said, “Can you help me? I’m looking for my dad.” His hands were so c ．Karen asked, “What’s up?” “My mom is terribly sick．Her birthday is coming．I know my father’s coming back would be the best p ．My dad h ad left us before I was t wo years old,” said the boy.
Karen was deeply moved and asked Ben to take her to his home．He led her to a small house．Karen saw a woman l   in beD． The woman knew she was dying．She said to Karen, “Please find a h  for my son.” Karen took her hand and nodded with tears (眼泪)．She got an i   ! Her husband and she had no children, and looked forward to having o ．Later Karen brought Ben home．Ever since then, the new family have had h and laughter (笑声).