It was cold outside but the door wouldn’t stay shut, so I put a chair _____ it.
I was about to leave my house________the phone rang.
.________they were singing, the teacher came in.
All that can be eaten _______ eaten up.
I can never forget the day _______ we worked together and the day ______ we spent together.
You're the only person ______I've ever met ______could do it.