Many believe that the aliens are here to help us, while ____ hold that the aliens intend us harm. _____ think that most aliens visit Earth to study us like our scientists study primitive natives and animals.

Generally, the biggest complaint among home exchangers has to do with different standards of cleanliness. One person's idea of "clean" may be more forgiving that _____.

Handwritten or typed, letters travel in envelopes through actual space and take time getting from one place to ______.

The customs of giving names are different from _____ to _____.

I understand it is not easy to live ______. But learning to budget your money is the first lesson you must learn to be independent.

Do not just sit and wait passively for a good chance to come to you. You have to take the initiative and create chances _____.

Water is more useful to mankind than diamonds, and yet ____ are costlier.

Before using the thermometer, double check that it covers the right temperature range for your activity or experiment. A garden thermomether, ______, will burst if you try to use it for boiling liquids.

Have you ever wondered how the ancient Egyptians created such marvelous feats of engineering _____ the pyramids?

Typhoon Maggie brought to I-lan County _____ rainfall, much greater than the average rainfall of the season in the area.

____ artists in the 9th century painted in this genre and their subject matters included a rich variety of flowers, fruits, birds, insects, and fish.

A great number of teachers ______ worried that the number of students _____ been dramatically decreasing in recent years.

I decided not to accept the job offer. For one thing, the pay is not high. For _____, it involves working a night shift.

Mr. Wang has three sons. One lives in Taipei, another lives in Tainan, and _____ lives in Kaohsiung.