1.The river is 5'000 metres long. How long is the river? 2.The moutain is 4'000 metres high. How high is the moutain? 3.The street is 10 metres wide. How wide is the street? 4.The man is 1.8 metres tall. How tall is the man? 5.The boy is 7 years old. How old is the boy?