A number of the Pacific Islands are volcanoes that have pushed up from ocean floor, the others are the tops sunken mountain ranges.

Numerous types of cells, such as (skin cells and white blood cells, have the power reproduce sexually.

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The product you bought at lower price is more interior than the one that we sell at slightly higher price.

In the 1840s , Joseph Henry made  important discovery of electromagnet.

Have you learnt the reason why does water of the ocean becomes blue?

There is a hostel the bottom of the canyon where we can stay there.

The organizers of the charity were more than surprised at how many people lined up to receive the clothes donating by outdoing mayora.

Before the Industrial Revolution come to America, the vast majority of the population had lived rural areas.

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I am used ___ my sleep interrupted by the noise because I have lived in this region for more than 20 years.

A calorie is the quantity of heat required to rise one gallon of water one degree centigrade one atmospheric pressure

The number of time he spends gardening  is increasing every day.

To receive (a degree from an American university, one must take many courses beside thos one’s major fiel

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

Listening to music on tape or even disk is not nearly as good as to go a live concert.

Psychologists at the University of Kansas has studied the effect of the color of a room on people behaviors

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Education is desperately needed in countries where a high percentage of the population are illiterate

The number teaching assistants required meeting undergraduate course need is rapidly increasing

Half of the money … to Mr. Lam. 

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

Jaguarundis are sleek,  a long tail creatures colored either an uniform reddish brown or dark grey

Believed that Jack had got home safely, we felt relieved