用所给词的适当形式填空。 1.Her sister is a wonderful __________ (act), and his brother is a very good __________ (science). 2. Their grandmother is a pretty good ___________ (music). 3. She started ice ___________ (skate) when she was four years old. 4. She is a kind and ___________ (love) grandma. She has a ___________ (love) granddaughter. 5. When he was a small boy, he __________ (can) hum songs and difficult pieces of music. 6. I'll call you when he ___________ (come) back. 7. Is the old man still ____________ (live)? 8. There are no ___________ (live) things if there is no the sun. 9. That's an ____________ (usually) person, he can do lots of difficult things. 10. Li Yundi is a well-___________ (know) pianist all over the world. 11. He became a ___________ (championship) in the last singing ___________ (championship). 12. My sister __________ (not be) able to swim at the age of 11. 13. He is the first Chinese man who won the prize in the ___________ (70 years) history of the competition.