Above 80 percent of the laborers at the construction site are temporary workers.

Some jellyfish make daily journeys from deep water to the surface and back, while others migrate horizontal.

Many of the population in the rural areas is composed of manual workers.

More than 10,000 years ago, glaciers moved across the Minnesota region four time, leveling most of the land.

In the 1840s, Joseph Henry made important discovery of electromagnetism.

The refugees are very much upset because they have been deprived from their homeland and their families.

The firstly naval battle of the Revolutionary War was fought off the coast of Machias, Maine, in June 1775.

There is no one there; _______ I went away.

I'm not sure a thank you letter is really necessary. _______, I can't be bothered to write one.

Wealthy people have always desired and wear precious stones because their beauty is lasting.

An effective paragraph must _______ be unified and ordered but also complete.

_______ we lived in town, we often went to the theater

Zoos in New Orleans, San Diego, Detroit, and the Bronx have become biological parks where animals roams free and people watch from across a moat

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

A lot of people stop smoking because they are afraid their health will be affected and early death

From archeological evidences, we know that Egyptians were highly organized and civilized. Moreover, they were skillful in using crafts.

You must leave at once, ________ you miss the train.

Jaguarundis are sleek, long-tailed creatures colored either an uniform reddish brown or dark grey.

She promised that she would come, but in fact she doesn’t.

The living room was enough large to accommodate two long sofas easily

He had to take photos of the places he visits. _______ he's writing a report of his journey.