问题：
Single woman tie leaves to their pillows to see __
答案：
see their future husbands解析:文中十六段提到“Also in the 1700’s, unmarried women fastened five tree leaves to their pillows on the eve of Valentine’s Day. They fastened one leaf to the center of the pillow and one to each corner. If the charm worked, they saw their future husbands in their dreams.”