He finds it difficult for him to recover from his son's ____. 

The sum of all chemical reactions in an organism’s liveluy cells are called its metabolism.

To be good for agricultural purposes, soi have in it the minerals plants required .

Although there are more than 2,000 different variety of candy, many them are made from a basis boiled mixture of sugar, water, and corn syrup.

The Philippines………of more than 7000 islands.

It was after shortly microscopes were introduced at the beginning the seventeenth century that micro organisms were actually sighted

Louis Braille designed a form of communication enabling people to convey and preserve their thoughts to incorporate a series of dots which were read the finger tips.

The threat of being dismissed do not worry me any more because I have startedown business.

Internet , definy causes some problem in society, however, it surely provide many benefits as well .

After driving car for ten miles, John suddenly realized that he been driving in the wrong direct.

Visitors may realize that even though can’t make their homes in Da Lat City, they can take away (with them memor of their beauty .

Government money appropriated for art n the 1930’s made possible hundreds of murals and statues still admir in small towns all over Unites States.

Unlike competitive running race race walkers must always keep some portion of their feet contact with the ground.

Migration of animals be initiated by physiological stimuli such reproductive changes, external pressures such as weather changes , or combination of either types of changes.

A professor of economy  and history at our university developed new theory of the relationship between historical events and finance crises .

It is difficult to get used to sleep in a tent after having a soft comfortably bed to on.

Children’s games, which are amusements involve more than individual, appear to  be cultural universe.

While studying the chemistry  of human body, Dr. Rosalyn Yalow won a Nobel Prize for research she conducted on the role of hormones

The residence of Greenville, Texas hold an annually Cotton Jubilee to remember the crop that caused city to prosper .

You ...........  stand up. There are a lot of seats available on the bus.

A paragraph is a portion of a text consists of one or more sentences elated to same idea.