Families that are paying for college or saving for college are trying to _______ and save the money for their kids

The soldiers’ rapid march was ________ by the generals command; they were uncertain whether to go back or forward

Generally speaking, the __________ specifies whether a certain tagmeme is NOT in the position of the Nucleus or of the Margin in the structure

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

3We were in the same college,_____was male-only at that time

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

Travellers, when ____________ the checks, have to sign the checks in the presence of the bank or service clerks

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．

 ______ 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.

The British Empire was replaced by the British Commonwealth or the Commonwealth of Nations in_____.

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