The history of chocolate began in Mesoamerica. Over 2,000 years ago, the Mayan Indians of South America discovered how to dry and crush the cacao seeds and use the powder to make a drink. Learn all this and more with The History of Chocolate Video Quiz from Ted-Ed.
"Have been to/in" or "have gone to"? That's easy! Here you are three sentences where you could clearly see the difference between these three forms, and practice on your own.