I don’t know _________ sheep there_____ on the farm.
She _________ for 15 years ,yet she didn’t know what kind of man she _______ .
–Have you taken your medicine today ?--Yes , I ______ it after breakfast.
_________ the fans are waiting for the popular singer outside the concert hall.
They considered ______ a computer ,which was considered ______ a great help in their work.
He fell asleep with a book ___________ open on his knees.