The question ________ he should confess it or not troubled him greatly ( )

_______ it will do us harm or good remains to be seen

－ What does the sign over there read － “No person ________ smoke or carry a lighted cigarette, cigar or pipe in this area”

If the product does absorb moisture or ________ water, discard it

1_____there is no rain,farming is difficult or impossible

If a boy or a girl has grown up in a home with sharing tasks and decisions，he or she will probably______.

______ it or not , his discovery has created a stir in scientific circles.

Duty is an act or a course of action that people __________you to take by social customs, law or religion.

Project ______is an uncertain event or condition that，if it occurs，has a positive or a negative effect on at least one project objective，such as time，cost，scope，or quality．

 ______ twice a year, whether it is a car or a bus or a truck, is the rule that every driver must obey in this city.

It will be a relief over the death of a friend or a relative if the friend or relative dies from ______.

—Hurry up, or we’ll be late.—Take your time. it’s just ______ short distance from here to ______ cinema.