Among the problems facing the national park's manager, the most serious ones are those of ...... and expansion.

Prevented the soil from erosion, the trees are planted by the farmer many years before were which stopped the flood from reaching his house.

Men and women in the Peace Coips work with people in developing countries to help them improving the living conditions

He scored so good a goal that a wild cheer raised from the stands.

We are very pleased with Susan s effort – she applies herself very well with the task in hand

There are some wild roses whose flowers smell sweetly.

Nobody bothered with telling me that the school had decided to have a special holiday on Friday

He looked like he had been in some strange land where age advanced at a double pace.

Before television became so popular, Americans used to entertain each other in the evening by playing games, saying stories, and singing songs.

President Wilson had hoped that World War I be the last great war, but only two decades later, the Second World War was erupting.

The Maelstrom is a swift and danger current in the Arctic Ocean.

You have to use a magnifying glass so that to see some of the minute details.

May I ask who was that man who was leaving the office when we came in?

Psychologists at the University of Kansas has studied the effects of the color of a room on people’s behaviors

Choose the correct answer to complete the sentence. "In the first case, the dried material is scraped off the roller as a thin film _____ is then broken up into small, though still relatively coarse flakes."

Under the crust of the Earth are bubbling hot liquids that sometime rise to the surface.

Floyd Bennett was a pilot for two of the Arctic expedition of the 1920’s and the first pilot to fly over the North Pole.

Mercury is not often visible because it is so near the sun to be seen.

The number of teaching assistants required meeting undergraduate course needs is rapidly increasing.

Exercising well is as important to your health as sleep and eating correctly

Materials that of clay are among the most ancient manufactured articles and have played a vital role in human civilization.