Pham Tuan said everything quite strange although he ……….. when he was on the ground.

I’m afraid Petra is on phone. Do you want to come in and waiting.

Electric motors range in size from the tiny mechanisms that operate sewing machine to the great engines heavy locomotives.

In winter it is important for farmers to provide food and warm for  animals.

New law should be writing to accommodate changes in our society

Then people learned how ........……telegraph messages

 Water molecule consists of two hydrogen atoms and has 1 oxygen atom.

By the end of the month, I’ll be working for firm for a year.

All root vegetables grow underground, and not all vegetables that grow underground roots

The purpose traveler’s checks is to protect travelers from theft and accidental lost of money

Cosmic distance is measured on light -years.

Bacteria lived in soil play a vital role in recycling the Carbon and Nitrogen needed by plants.

Composer John Cage, used many unusual objects as instrument in his music, including cowbells, flower pots, tin cans saw blades.

To survive, most birds must eat at least half their own weigh food every day.

Most babies will grow up to be as clever as parents.

In 1950, it was naively predicted that eight or ten computer would be sufficient to handle allscientific and business needs in the United States.

Find the word which has a different sound in the part underlined.

Chicago’s Sears Tower, now the tallest building in the world, rises 1,522 feet from the ground to top of it antenna.

Don’t let him treat you badly. _____ him. 

The Humber River and its valley form a major salmon-fishing, lumbering, hunting , and farmer region western Newfoundland, Canada.

Nuclear energy, despite its early promise as a source of electrical power, is still insignifican compared with older and safer energy sources.