She was reading a book in her chair _____ first time I saw _____ old lady.
It has been proved ____ several new kinds of medicine____ a positive effect on the cure of H7N9.
It was the middle of the night_____ my father woke me up and told me to watch the football game.
Absent for the traffic accident, I have always doubted he announced at the meeting.
____ is announced in today’s newspaper, we have launched another man-made satellite.
It's much easier to make friends _____you have similar interests.