Muscles are essentially made up by elastic fibers that lend flexibility to the body.

The nitrogen makes up over 78 percent of the Earth’s atmosphere, the gaseous mass surrounding the planet.

You can send letters from Hongkong_______ by Suez or by Canada.

Anna needed some money, ________, she took a part-time job.

I thought this book was rather dull at the first, but I’ve changed my mind.

A traveler can reach some of the village along the Amazon only by riverboat.

The officials of the Board of Elections asked that each voter present their registration card and a valid Texas driver’s license before receiving a ballot.

It is estimated that at least a million meteors have hit the Earth’s land surface, which is only 25 percentage of the planet.

A mainframe computer is large and is usually used to operate a network of another computers.

I must say that you have done very well. ________, you should be aware that you still have a lot of thing to learn.

Choose the word or phrase that can substitute for the underlined word:

My other pursuits include listening to music, reading and gardening.

About 150 years ago, Charles Darwin shocked the world with his the cry that humans were relativity to apes

According to many educators, television should not become a replacement for good teachers, and neither are computers.

Most types of dolphins live at less twenty-five years, and some species may reach 50 years of age

Many bridges in New England were covered with wooden roofs to protect it from rain and snow.

The Carbon atoms of the diamond are so strongly bonded that a diamond can only be scratched with other diamond.

Bill is in class 12, _______ John, who is a year older, is only in class 4.

The lecture was _______ interesting and instructive.

Marta being chosen as the most outstanding student of her campus made her parents very happy.

The attribution of human characteristics to animals or inanimate objects appears in the mythologies of many cultures is a literacy device called anthropomorphism

I haven’t read any medical books or articles on the subject for a long time, so I’m ________ with recent developments.