阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡标号为31-40的相应位置
Few people would even think of beginning a new job at the age of 76, 31 one of America’s most famous artists did just that. Anna Mary Robertson, better known as “Grandma Moses”, turned to painting 32 she was too old to work on her farm.
Grandma Moses was crazy about painting soon after she picked it up and worked hard at it. She painted 33 (care) and her works were nice. She first painted only to please 34 , and then began to sell her works 35 a little money. In 1993, a collector, Louis Caldor happened to see several of Grandma Moses’ works 36 (hang) in a shop. He liked them, 37 (buy) them at once, and set out to look for 38 . Caldor held 39 show to introduce the works of Grandma Moses to other artists. Grandma Moses, 40 was world-famous, died on December 13, 1961, at the age of 101.31.but
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(答案→)31.but
解析：31.前后是转折关系。
32. 后面接的从句是她转行开始画画的原因。从句也可视作时间状语从句，填when。
33.修饰谓语动词painted，作状语，用副词。
34. 由后文“开始卖作品给别人”可知，她先只是自己画给自己看，取悦于自己。
35.表示交换用for，sell sth. for…意为“以多少钱卖某物”。
36. 是非谓语动词短语作定语，修饰名词works，因works与hang(悬挂)是主动关系，用现在分词短语作定语。
37.与liked和set out并列，一起作谓语，时态也应一致。
38. 因他喜欢她的画，所以他开始寻找“更多”Grandma Moses 的作品。
39.为了把Grandma Moses 的作品介绍给别的艺术家，所以他“举行了一次展览”。
40. 引导定语从句并在从句中作主语，先行词是Grandma Moses。