完形填空。阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项。
The friendship between us never fades. Mary Allen was my best friend—like a sister I never1. ______. We did everything together: piano lessons, movies, swimming, horseback riding, and so on.
When I was 13, my family moved. Mary and I 2. ______ in touch through letters, and we saw each other on special3. ______ — like my wedding and Mary’s. Soon we were 4. ______ with children and moving to new homes, and we wrote 5. ______. One day a card that I sent came back 6. ______ “Address Unknown.” I had no idea how to 7. ______ Mary.
Over the years, I thought of Mary often. I wanted to 8. ______ stories of my children and then grandchildren. I need to share my 9. ______ when my brother and then my mother died. There was a(n) 10. ______ place in my heart that only a friend like Mary could 11. ______.
One day I was reading a newspaper when I 12. ______ a picture of a young woman who looked a lot like Mary and whose 13. ______ name was Wagman— Mary’s married name. “There 14. ______ be thousands of Wagmans,” I thought,15. ______ I wrote to her anyway.
