V. Complete the sentences using appropriate derivates of the words given on the right

Tunnel is an underground passageway. Tunnels provide convenience

highways, subways and railroad with … routs past … and nature

artificial obstacles. … use tunnels to reach … minerals mine

value

deep within the earth. Some tunnels provide fresh water

for … or …, and others transport wastes in sewer systems. irrigate drink

In addition, tunnels provide underground space for cold …. store

VII. Make the precis of the text