Mary _______as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
Tom was about to close the windows_____ his attention was caught by a bird.
—Is it all right if I keep this photo? —_______.
Mr. Black is very happy because the clothes made in his factory have never been .
---Hey,can I ask you a favor? ---Sure, ________.
The manager slept very late last night, ________at midnight.