根据释义写出正确的单词

根据释义写出正确的单词1.a place where you can safely cross a road c( )2.a moving staircase that carries people e( )3.a bridge that carrises one road over another one f( )4.a flat part at the side of a road for people to walk on p( )5.a narrow bridge used only by people to walk f( )6.a boat that carries people and goods across a river f( )7.an area or a building where people can leave their cars c( )p( ) 8.a road built through a hill or under a river t( )