－ 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

The United States is composed of fifty states,______ are separated from the others by land or water

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

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

Either he or I ______to the airport.

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．

______ are web sites that search the web for occurrences of a specified word or phrase.

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.

It is the ability to do the job ______ matters not where you graduate from or what you are.