用括号内单词的适当形式填空

1. I like rainy days. I often fall asleep ________ (listen)to the sound of rain.

2. When the parents went to the gate, they saw their son _______ (give)the cup of water to an old man.

3. Every time my aunt _______ (come)here, she always buys me some gifts.

4. People all over the world hope to live a _______ (peace)and wealthy life.

5. That ______ (sleep)boy has been _________ (sleep).

XKBS45型热收缩薄膜包装机的生产能力为（）包/分钟。