请根据句意从方框中选择合适的单词，并用其适当形式填空，使句子通顺。

The man kept remembering English words every day until he was in his _______ .
The 2014 APEC summit was          held in Beijing.
Ma yun is one of the        man in our country today.
During National Holiday,we took a trip to hangzhou,but too many people there made the trip a little              .
The policemen said that they would work hard to find those    ________.