根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。
Wang Xi did best in the writing________________(竞赛).
French is one of the most beautiful _______________(语言) in the world.
All the people ______________(喝彩) when Bach said thanks to China at the closing ceremony of  Nanjing Youth Olympics.
Tomorrow, my father is going to ___________(出席) an important meeting in Nanjing.