Nylon, a synthetic done from a combination of water, air and a by product a coal, was first introduced in 1938

The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations

I’m trying to save up for a trip to Canada, so I can’t afford buying much at the moment.

The common field mouse is about four inches long and has a three – inched tail.

After driving a car for ten miles, John suddenly realized that he has been driving in the wrong direction

Don't leave here, _    ?

A traveler can reach some of the village along the Amazon only by riverboat.

Last night there was .......... singing outside my house. 

Someone else put 49,999 dominose in a line and knocking them all down

As the plane went more faster down the runway, David began to sweat nervously.

 “I’m too tired to study.” “If you hadn’t watched that late movie last night, you _____ so tired now.” 

The strength, size, and surefootedness of the Hama make its as excellentcy beast of burden in mountainous regions today as it was in the past

Many hundred years ago, there were many villages and little towns in England

We are not allowed to enter this construction site. A block of flats is being built here and it is dangerous to walk because you may get hurt by a fallen brick or some other objects

Would you show me ................... shortest way to …………. airport 

A computer networks usually includes either selected employees of a particular business or or people who do not work together but have similar interests.

The biologist found some pollutants, a little of which can be considered very harmful to fish and other living organisms in the river.

Carrie Chapman Call organized the League of Women Votes after successfully campaign for the constitutional amendment that gave women the right to vote.

I think he will come here, _    ?

Recently in the automobile industry, multinational companies have developed to the point where such few cars can be described as having been made entirely in one country.

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