1) I wonder, how people lived in the middle age. 2) I wonder, when the first phone appeared. 3) I wonder, how many kilograms of food we get per day. 4) I wonder, how many years the turtle lives. 5) I wonder, how many kilograms of food we eat for life.
2) I wonder, when the first phone appeared.
3) I wonder, how many kilograms of food we get per day.
4) I wonder, how many years the turtle lives.
5) I wonder, how many kilograms of food we eat for life.