首字母填空： 1.A pop singer has to work very hard to be

首字母填空： 1.A pop singer has to work very hard to be
首字母填空：
1.A pop singer has to work very hard to become p_____.He must give the public what they really want and need,or he must find a n_____ way of singing that will attract their attention.
请告诉我为什么这样填？最好可以翻译一下，谢谢！