It.s __________ to point to or talk about strangers in public.

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”

1_____there is no rain,farming is difficult or impossible

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

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

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

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

Terri: Derrick, don't you think you should take a vacation? Even one or two days would be fine.Derrick:__________ There's too much work.

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

Children who are not active or ______ diet is high in fat will gain weight quickly.

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