用所给的适当形式填空。 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.