The most famous v________ in the world is the potato.It grows in many places and does not n______ as rich soil as many other crops.But until four hundred years ago the p______ was not known to Europeans.But today it is one of the main f______ in Europe.
In France the potato was not grown for food a l______ time ago.A story is told about Houis.In 1778,he saw some potato flowers for the f______ time.He l______ them so much that he Picked one and put it in his buttonhole.He was interested in the flowers b______ not the potatoes.By the beginning of the nineteenth c______,the potato was eaten in a______ all the countries of the w______ .