用所给单词的适当形式填空。

1. Yao Ming is a ______ (know) basketball player in the world.

2. There are a few ______  (play) over there. 

3. My grandfather is so ______  (love) that everyone likes him.

4. What can I do______ (become) famous?

5. He ______ (stop) playing football last month because of his sore back.