Was it in the waiting room ______ only allows mothers-to-be to enter that you lost your wallet?
Teachers have to constantly update their knowledge in order to maintain their professional ___.
Though told to stop, the excited speaker ___ talking.
He thought he heard someone following him, and ___ round. He caught sight of a dark figure in the shadow.
What does it matter whether you are rich or poor, ___ you are happy.
She wondered how it ___ that her husband met with trouble again.