They wrote letters to each other. It could take days or even weeks for letters to be ......……

Although there are more than 2,000 different variety of candy, many of them are made from a basis boiled mixture of sugar, water, and syrup.

Stars derive their energy from thermonuclear reactions that take place in heat interiors.

Before the formation of labor unions, individual workers had almost not voice determining their wages, hours, or working conditions.

In the 1920’s, cinema became an important art form and one of ten largest industry the United States.

An electromagnet will remain magnetized onlylonger as electricity flows through it

As the marathon runner reached the half-way mark, he, being hot and was soaked with perspiration, stopped to rub down with a towel.

Choose the word or phrase among A, B, Cor D that best fits the blank space :
To reduce boredom, homesickness and isolation, astronauts are ………to receive a weekly video telephone call from home, as well as daily email messages.

There always is one wise woman who is both feared and respectedher people

Instead of staying around the house all day, you should be out there looking ............... a job.

Despite of many attempts to introduce a universal language, notable Esperanto and Idiom Neutral, the effort has met little success.

One of most difficult questions in defining sleep is “What are functions of sleep?

About 200 million years before, all the continents were part of vast land mass called Pangaea.

Isle Royale National Park in Lake Superior can only be reached by boat

He wasn't able to cope _____ the stresses and strains of the job.

Mosquitoes are such fast breeders that it is almost impossible to control them either by draining areas where they breed or to spary them with pesticides

We had to turn _______ their invitation to lunch as we had a previous engagement. 

The shore patrol has found the body of a man who they believe to be the missing marine biologist.

Too much water makes plants turning brown on the edges of their leaves.

The sun contains 99.9 percentage the mass of solar system.

After driving for twenty miles, he suddenly realized that he has been driving in wrong direction.