根据句意及汉语或首字母提示，填写恰当的单词。

1. It's my _____ (责任) to take good care of my parents when they are old.

2. We all  _____ (将……视为) Yao Ming as the greatest basketball player from China.

3. I don't think your son has  _____ (认识到) how important English is to him.

4. Please read the text a _____ , so all of us can hear you.

5. This is a new word. Can you tell me how to p _____ it?