It is becoming extremely difficult to grow enough to feed the world’s rapidly increased population

The children were playing last night outdoors when it began to rain very hard.

The instructor advised the students for the procedures to follow in writing the term paper.

The  modern American dictionary is typically a single compact volume published with a modest price.

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

After the police had tried unsuccessfully to determine to who the car belonged, they towed it into the station.

The manufacture and production of steel was one of the industries on which the country prosperity was founded.

Tucked away in the mountains of Bolivia and Peru, Lake Titicaca are the highest navigable lake in the world.

Amphibians are a class of animal that that can live and breed neither on land or in water.

She closed the door_______ left for the city.

Internet is a very fast_______ convenient way for us to get information.

I have gone to Copenhagen three times this year, I still want to spend my holiday there

Early balloonists remained aloft in the air for relatively short periods

Every student must make up their own study list of the classes he is going to take at the beginning of the quarter.

It was in 1971 that transatlantic supersonic transportation became commercially availability

Individuals with chronic liver disease is gravely at risk for premature death, heart seizures, strokes as well as hypertension, jaundice, and malnutrition.

The very first night I was in Australia, I couldn’t have slept until early in the morning

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

The flight was canceled_______ the weather conditions were bad.

I'm very homesick_______ a student abroad.

Most sand dunes are always in motion as wind pushes sand upward one side of each dune, over the top, and down the other side