下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏词符号（∧），并在其下面写出该加的词；
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1. 每句不超过两个错误；2. 每处错误及其修改均仅限一词；
只允许修改10处，多者（从第11处起）不计分。

People general agree that Pablo Picasso, who lived from 1881 to 1973, is one of the twentieth-century’s greatest western artist. He was born in Spain and at the age of ten was already excellent artist. Picasso had his first exhibition at the age of 16. She studied art in Spain, but moved to France, at his early twenties.

From 1902 to 1904 he has painted a series of pictures that the main colour was blue. These pictures showed poor, unhappy people but are known as Picasso’s “blue period”. From 1904 to 1906 Picasso painted much happy pictures in the colour pink. This period was knew as Picasso’s “pink period”.