1.   By day she remained behind locked doors in the room near the north wing which her two sons had shared.

2.   He broke down the locked door and escaped.

3.   His room lay at the very end of the corridor, beyond the locked doors of closets and bedrooms and attic steps.

4.   How perfect Cammy had become in his memory, how much more desirable for having stepped behind a locked door!

5.   We disappear through a locked door in the wall.

6.   Wolfgang moved along the corridor towards the locked door at the end.

7.   During this time, such services as there were took place behind locked doors.

8.   Oh, what a fool Fernando must have thought her for finding anything suspicious in a locked door.

9.   So he, too, realised that the real trap was not the locked door.

10.   They broke through a series of locked doors until they reached the finance department.