改写句子,
1.What do you think makes a singer famous?
_____ _____ _____,what makes a singer famous?
2.After the earthquake,the local people did their best to save the city.
After the earthquake,the local people did ______ ______ ______ ______.
3.Restoring the city and its culture relics seemed impossible.
______ seemed ______ ______ ______ the city and its culture relics.