Gold, silver, and copper coins are often alloyed whit harder metals to make them hard as enough to withstand wear.

Both Mr. and Mrs. Smith are explaining the children the rules of the game .

Every city in the United States has traffic problems because the amount of cars on American streets and highways is increasing every year

Many heavy work that was once done by hand can now be done more easily with the help of compressed air

Haywood Broun was a read widely newspaper columnist who wrote during the 1920’s and 1930’s.

Earwax lubricators and protects the ear from foreign matter such water and insects

Choose the word or phrase that can substitute for the underlined word:

His recreations include golf, football and shooting.

Because studies have shown that obesity can cause a type of diabetes, doctors usually put his diabetic patients on a special diet.

Many people have found the monotonous buzzing of the vuvuzela in the 2010 World Cup matches so annoyed

The rock formations in the Valley of Fire in Nevada has been worn into many strange shapes by the action of wind and water.

_______His denial, we knew that he was guilty.

Cosmic distance is measured on light -years.

Hardly he had entered the office when he realized that he had forgotten his wallet.

Some bacteria are extremely harmful, but anothers are regularly used in producing cheeses, crackers, and many other foods.

He has less friends in his class now than he had last year

The author Susan Glaspell won Pulitzer Prize in 1931 for hers play, Alison’s House.

The wood of the rosewood tree is used to do time musical instruments

Fertilizers are used primarily to enrich the soil and increasing yield.

The discover of gold and silver in the rugged mountains of Nevada in 1858 attracted many fortune-seekers to that area 

Economists have tried to discourage the use of the phrase “underdeveloped nation” and encouraging the more accurate phrase “developing nation” in order to suggest an ongoing process

The play was very boring, _______ they walked out.