A pack of wild dogs ………… frightened all the ducks away

Sheep have been domesticated for over 5,00 years ago.

After Allan had searched for twenty minutes, he realized that his jacket had been laying on the table entire time

Usually the climate in mountainous areas becomes much windy higher altitudes.

Identify the error in each sentence: If I had breakfast, I would not have been so hungry.

Keep trying to learn English. Don’t give up. Eventually, you will succeed, even though you may not know how much time it will cost

One decibel, which is a  unit of relative loud , is the smallest amount of change detected by human ear

The surface conditions on Mars are the more similar with the Earth’s than those of nay other plane in solar system.

Although usual living on or under rocks or on coral reefs, marine snails have been observed in great various of habitats.

The town was a four-days journey from our hotel, so we took the train instead of the bus

The most of the energy used in our homes and factories is generated coal, oil and natural gas

To save the California condor from extinction, a group of federal, local, and privately organizations initiated rescue program.

Although apples do not grow during cold season, apple trees must have such season in order to flouris

The international Red Cross, which has helpe so many nations, won the Nobel Peace Prize three times for their efforts to reduc suffering

Both a term paper and final exam is often required for a  class

The fragrant leaves of the laurel plant to sell commercially as leaves and are used for seasoning foods.

The plans the building complex were describing by the architect

The capital of the United States, originally New York City, was moved Philadelphia where stayed until 1800.

Now I _    all day, so it doesn't matter.

Before she moved here, Arlene had been president of organization since four years

The intent of the Historical Society is to restore old buildings and the increase of interest in history of area.