He went in under the sign and tried the door.

He tried the first door on his left and found it open.

No one seemed to be looking, so he tried the door.

Some one was trying the door of the prison room.

I tried the door last night, after it got dark.

He moved back to the other room and tried the door.

He tried the door at the far end of the office, and it opened.

He tried the back door of the house and found it open.

Back in the hall I tried the only door we had not yet looked through.

One of the leaders tried the door, but it wouldn't open.