Office _______ is just something that he plays at; the one thing that really interests him is golf.
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.