I felt worried about something, and I was sitting by the window.

I heard Mr.Richards' door open, and some one come out and rap at Kate's room.

Kate opened it, and I heard them talking." Her father interrupted her.
"Did you hear what they said ?" he asked sharply.
"No papa--only the sound of their voices.

It was not your voice, nor Ogden's; so I concluded it must be Mr.Richards' himself.

I heard him go down stairs, and then I peeped out.