17— Which one do you prefer, the window seat or the aisle seat? —____________ ( )

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

The manager or his assistant ______ planning to go

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

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．

And they can ______their passports______，making leaving or “escaping” virtually impossible.

Either he or I ______to the airport.

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

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

Hurry up, or you ______ catch the train.