There are some actors, the director and some artificial trees on ..... stage.

Paul Newman spent the greater part of his life on ..... stage.

'Romeo and Juliet' is currently on ..... stage. Do you want to go and see it with me, Lilly?

A: Have you seen George?
B: Yes, he's on ...... stage at the moment.

When I was your age, I was at ...... school. I did all my homework and worked very hard towards completing my secondary education. (British English)

When Sam was a little boy, he was in ...... school all the time. He didn't do well in exams and had to take summer school as well. (American English)

The fire fighters were in ...... school as there was a fire drill.

When Laura broke her leg, she had to stay in ...... hospital for a week or two. (British English)

When I was diagnosed with a severe case of pneumonia, I had to stay in ...... hospital for three whole weeks. (American English)

The leaders of the strike have met in ...... hospital to show the press the terrible conditions of the health care they are to provide. (British English)

The sailors got lost at ...... sea.

My friend Lucas likes to swim in ...... sea.