Please excuse me _______ your letter by mistake.
She made it quite clear that she was no longer going to______my selfishness and moodiness.
As the busiest woman in Norton,she made ________ her duty to look after all the other people’s affairs in that town.
Our efforts resulted________failure.I think I’m also responsible________it.
When was it________you let out the secret?
-- Have you seen ______pen? I left it here this morning-- Is it ______black one? I think I saw it somewhere