How long has man been on earth? Let us travel 5,000 years into the
past. We are in the days of before man 1 learnt to write.
Recorded history 2 has not begun yet. Let us go further into the
past to 8,000 years ago. We are in a world without cities or towns,
houses or roads. Yet there are people, about five million of them,
3 living on all five continents. The have cows and horses and
they 4 are farming the land. To find the first man we must 5 go (have gone) many
hundreds of thousands of years into the past. The earliest true human
being/ Homo sapiens, appeared in Europe more than 50,000 years ago.