题目内容：

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Johnny Carson began his career in television1.____________ his twenties. First he worked at local stations in Nebraska. Several years2.__________, he moved to Los Angeles, California. It was “The Tonight Show” 3.___________ made Johnny Carson famous for thirty years. He became  4._________ most popular star of American television. He5._____________ (call) “the king of late night.” Critics said Americans from all parts of the country liked him and felt they knew him.

He did not take his fame 6.____________ (serious). For example, when asked7._________ he became a “star”, he answered: “I started in a gaseous (气体的) state and I cooled.” Carson’s special skill was his sense of humour. Audiences laughed at his jokes he made at the 8.______________(begin) of his show. However, sometimes they laughed 9.___________ harder at the jokes that failed. He was the most powerful performer on television. Many comedians(喜剧演员) and singers became 10._______________(succeed)after appearing on “The Tonight Show”.