Encouraged by her father, _    

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

The number 8.5 is an example of a “mixed number” because it is composing of an integer and fraction

Mosquitoes are such fast breeders that it is almost impossible to control them either by draining areas where they breed or to spary them with pesticides

Until recently, photocopy machines were regarded strict as business and professional office equipment that required  lot of expensive service.

When contented and occasionally when hunger, cats frequently make purring sound.

The professor is thinking to go toconference on conservation next month.

The basic law of addition, subtraction, multiplication and division are taught to all elementary school students

A coral reef, a intricate aquatic community of plants and animals, is found in warm, shallow, sunlight seas

The number time he spends gardening is increasing every day.

Bronze, after being heated by a strong flame, will change color, especially when exposure to hydrogen

The Library of Congress, located in the nation’s capital, houses history documents and photographs as well as most books published.

The Dave Brubek Quartet, of the most popular jazz bands of the 1950s, had a particularly loyal following on campuses college.

All almost electricity for industrial use comes from large generators driven by steam turbines.

We are doing _____ our kitchen today and we could do _____ more paint. 

Marie, ................ I met at the party, called me last night.

Jobs which are highly paid some countries are badly paid in other

Archeological studies have provided evidence that the use of plants for decoration as well as for food developed early the history.

It was Mary Anderson, an amateur invention, who first patented windshield wipers automobiles

Do it right now, ______?

Most Polar seals retreat to open water during the winter, but a few types have learn to survive on and under the ice year round.