从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
1. His performance turned out to be_____, but he kept on trying because he knew success often comes after _____.
A. a failure; a failure B. failure; a failure
C. failure; failure D. a failure; failure
2. My hometown is a peaceful and beautiful place, _____, in my heart, I will love and remember forever.
A. one B. she C. the one D. who
3. —How did you feel when you saw the 2009 National Day military parade in Tiananmen Square?
—Wonderful. I couldn’t be _____.
