题目内容：

根据句意和提示写出单词, 完成句子。

1.There are __________ (千) of people by the sea in summer.

2.They didn’t ____________ (意识到) the mistake they made today．

3.Shirley will_________(描述) what her hometown is like in her talk tomorrow.

4.Our ______________ (政府) is taking action to protect the giant pandas.

5.It must be great to feel the beauty of _________ (自然) on a clear autumn afternoon.