Criminals are given the _____ of going to jail or facing public humiliation.

All people, whether they be rich or poor, strong or weak, privileged or deprived，are interdependent, and _______ the common task of seeking to achieve mankinds full potential

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

The committee was satisfied that minor incidents of misconduct or ________ of the chairman had been well handled by the directors within the rules

1_____education is the instruction that occurs when the instructor and students are separated by distance or time,or both

29．__________ when you are on the bus or bike．

Data items are added or deleted from the list only at the top of the______．

Dreams are often an elegant means of highlighting problems ______ in the present or the past.

Dreams are often an elegant means of highlighting problems________  in the present or the past．

The machine he originated and perfected has no modern _____ or ancient prototype.

 ______ 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.

______no air or water, there would be no life in the world.