used to show the place where someone or something is or where something happens
She waited at the bus stop while rain poured down.
A large dog sat at his feet as he read a newspaper on the park bench.
used to show the exact time when something happens
My flight leaves at 6:30 in the morning.
The store closes at midnight every Saturday.
used to show the person or thing that is the target of an action, feeling, or look
He threw a snowball at his friend.
The crowd cheered loudly at the singer.
used to show price, speed, or other rate per unit
Apples are on sale at two dollars a kilo.
The tickets were sold at half price for students.
