11.   The door had one of those big printed signs which shout NO ENTRY at everybody.

12.   The doors also had two round glass windows in them and our neighbourhood policeman stood aside to let us press our noses against them.

13.   She followed him out, turning to see if the door had a number.

14.   The doors had to be forced, but photographs were taken, as is usual police practice.

15.   Someone a few doors away had their house gutted by fire last week.

16.   At the time, because of very limited finances, I was unconcerned that my door had very flimsy locks.

17.   Automatic garage doors must have an emergency release that allows the door to be operated manually.

18.   Bifold doors have hinges that attach to the door jamb on one side.

19.   All our doors have kosher mezuzas.

20.   All doors had to open and latch securely.