"left the oven on"
"the switch is in the on position"
"the picnic is on, rain or shine"
"we have nothing on for Friday night"
"we drove along admiring the view"
"the horse trotted along at a steady pace"
"the circus traveled on to the next city"
"move along"
"march on"
"his spirit lives on"
"shall I read on?"
"turn the lights on"
"get a load on"
The People's Republic of China was established (on) 1 October, 1949.
He lives on the next street.（美国用法）
He lives in the next street.（英国用法）
He lives in a house on the river.
他住在河边上。
He sails on the river every Sunday.
他每天在河上航行。