Артикль а поставить где необходимо teeth: during sixteenth century, sugar started to become popular. but only richest people could afford it and it quickly became symbol of wealth. of course toothpaste didn’t exist in europe then and who ate a lot sweet food usually had black teeth. in england women often used to paint their teeth black to make them look more rich and beautiful!

Teeth: During THE sixteenth century, (--) sugar started to become popular. But only THE richest people could afford it and it quickly became A symbol of (--) wealth. Of course (--) toothpaste didn’t exist in (--) Europe then and THE people who ate a lot of (--) sweet food usually had (--) black teeth. In (--) England (--) women often used to paint their teeth black to make them look more rich and beautiful!