A teacher stands in front of a projector and a student at the front of the class has her hand raised.
A teacher stands in front of a projector
A teacher doesn't stand in front of a projector
A person catches an object in front of another person.
He would have been tickled by me.
The most expensive market is at Chow Kit.
Nrcs says the program was authorized for $1.
The people are standing.
You should not pay so much attention to the expense