根据句意和中文、首字母或所给词的正确形式，写出恰当单词，使句子完整、正确。
_________(令人遗憾地），no one was alive in the traffic accident．
As time goes , my grandmother can’t see as__________ (清楚）as she used to．
The days of spring are_________ (多云）and bright．
It is __________（激动人心的）to have big snowball fights in winter．
I think all the Chinese should follow President Xi’s words and work hard to_________(实现) the great China Dream．