请认真阅读下面短文，在横线上填入一个适当的单词或括号内单词的正确形式。

When cultures meet, not just their language or clothing may be different. Often their food will be （1） （great）different too. People on both sides can discover new chances for trading. This text （2） （tell）how some common food plants spread around the world.

As early as 5, 000 BC, （3） （potato）were traded in South America as a valuable type of food. They were （4） （take）to Europe in the 1500s and their use soon spread across it.

Tea drinking started in China. By the early 1600s, traders had begun to ship tea from China to Europe. Tea drinking soon （5） （become）fashionable there but because （6） its high price, it remained a drink for the wealthy.

Sugar cane（甘蔗）was first used to produce （7） kind of sweet juice over 8, 000 years ago on the island of New Guinea. Its use soon spread across South East Asia and then to the （8） （wide）world.

Cocoa was used to make a cold, spicy drink in Central America over 3, 000 years ago. The Europeans brought it back with （9） （they）in the 1520s and added sugar to make the sweet, hot drink we know today. （10） it’s expensive, many people still love it.