So far most a million different species of insects have identified and named.

Most of the magnesium used in the United States comes from the water.

The Homestead Act of 1862 granted 160 of land for any settler who would spend fiveyears on the land

He has been hoped for a raise for the last four months, but his boss is reluctant to give him one 

The main advertising includes direct mails, radio, TVs, magazines, and newspaper

Choose the best option:

She’s the woman ................ sister looks after the baby for us.

All of  the mammals, dolphins are undoubtedly among friendly to human.

Because of it consists only of relatively short strand of DNA protected by a shell of Protein, a virus cannot eat or reproduce by it self.

Identify the error in each sentence: If I had breakfast, I would not have been so hungry.

Woody Guthrie wrote thousands songs during the lifetime, many of which became classic folk songs

There has been widespread public opposition against the plan for a new road.

Society changes, but not change at the same rate or in the same direction.

The influence of the nation’s literature, art, and science have captured widespread attention.

Group that conducting its meeting using parliamentary rules will encounter situations where prescribed procedures cannot be applied.

Time is of few count in relation to great thoughts are as vivid today as when they first passed through the author’s minds ages ago

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

Malnutrition is a major cause of death in those countries where cultivation of rice have been impeded by recurrent 

Jack London, whom was known for his stories of Alaska, lived there during Klondike gold rush.

You pay about $50 per person and can having dinner,breakfast there

The police have been _____ in to deal with the riot. 

Gunpowder, in some ways the most effective of all explosive materials, were mixture of potassium nitrate, charcoal, and sulfur.