There is a widespread belief that economical situation will improve

You’ll find that this tool is very useful ________ many different things. 

In the early twentieth century, there was considerable interesting among sociologists in the fact that in the United States the family was losing traditional roles

The medical science began with the Greek (Hippocrates, who earned for himself title of father of Medicine.

The various parts of body require so different surgical skill that many surgical speciality have developed.

Science and technology are part of the knowledge of educated people.

The nitrogen makes up over 78 percent of the Earth’s atmosphere, the gaseous surrounding planet.

In the 1970’s consumer activities succeeded in promoting laws that set safety standards for automobiles, children’s clothing, and widely range household products.

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

Cotton fiber, like other vegetablfibers, are composed mostly of cellulose

Find mistakes and correct

Dinosaurs are traditionally classified cold-blooded reptiles, but recent evidence based on eating habits, posture, and skeletal structural suggests ones may have been warm-blooded.

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

The food that Mark is cooking in kitchen is smelling delicious.

Many scientists contributed to development of television, whether one can be said to have invented it.

The development of professional sports in the United Stated dates back nineteenth century

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

The results of our marketing survey show that there will be quite demand for electric cars in ahead years

Because there was evidence against himself, Slade was released 

There are some wild rose whose flowers smell sweetly.

Mumps are a very common disease which usually affects the young children

The Medal of Honor is the higher award for military bravery that can be given to soldier of the United States.