When the children realized that they were by themselves in the dark, they became really frightening

You had better come yourself_______ send a friend.

I’m so tired; I’m finding it difficult in keeping my mind on my work.

A good artist, like a good engineer, learns as much from their mistakes as from successes.

Janet is finally used to cook on an electric stove after having a gas one for so long .

How can you expect your children to be truthful_______ you yourself tell lies?

Since the Great Depression of the 1930’s, social programs such as Social Security have been built into the economy to help avert severity business declines.

Education is desperately needed in many countries where a high percentage of the population are illiterate

Some people waste food_______ others don't have enough.

Anyone interested in the use of computers can learn much if you have access to a personal computer.

He took the food eagerly, _______ he had eaten nothing since dawn.

Either Mr. Anderson or  Ms Wiggins are going to teach our class today.

They are planning on attending the convention next month, and so I am

I'd go way somewhere_______ I could afford to.

In the 1800’s botanist Asa Gray worked to describe and classifying the plants found in North America.

Chemical compounds with Barium, Cobalt, and Strontium are responsible to many of the vivid colors in fireworks.

I only noticed we were running lowly on petrol after we had passed the last filling station.

The fossil remains of much extinct mammals have been found in the tarpits at Rancho La Brea in Los Angeles

Children’s games, which are amusements involve more than one individual, appear to be culturally universal

Julie has a guitar ________ she plays it really well.

Two thousand years ago, most of Western Europe was populated by a fierce, strong, artistically people known as the Celts.