Вставить на места пропусков "a, the", если они нужны. during _ sixteenth century, _ sugar started to become popular. but only _ richest people could afford in and in quickly become _ symbol of _ wealth. of course _ toothpaste didn't exist in _ europe then and _ people who ate a little of _ sweet food usually has _ black teeth. in _ england _ women often used to paint their teeth black to make them look more rich and beautiful!

During the sixteenth century, sugar started to become popular. But only the richest people could afford it and it quickly become a symbol of wealth. Of course, toothpaste didn't exist in Europe then and people who ate a little of sweet food usually has black teeth. In  England women often used to paint their teeth black to make them look more rich and beautiful!