根据句意和提示写出单词, 完成句子。
There are __________ (千) of people by the sea in summer.
They didn’t ____________ (意识到) the mistake they made today.
Shirley will_________(描述) what her hometown is like in her talk tomorrow.
Our ______________ (政府) is taking action to protect the giant pandas.
It must be great to feel the beauty of _________ (自然) on a clear autumn afternoon.