____ speaking, a person must care much about his ____, because it is not only a personal thing, but also a social one.
—Whoever drives after drinking should be seriously punished. —__________ And thus people feel safer and more accidents can be avoided.
—Were you worried about your daughter last night? —Yes. It was __________.
Mr. Li is __________ chairman of the meeting.
This school was the first __________ textbooks as well as reading materials.
You can never be __________ when crossing the street.