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A smile can be observed, described, and reliably identify; it can also be elicited, manipulated under experimental conditions.

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Amphibians are class of animal that can live and breed neither on land or in underwater.

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Inventing by Roger Bacon, the magnifying glass has led to creation of other scientific tools which have produced immeasurable scientific progress.

Our conference was interrupted ________ telephone calls several times. 

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I haven’t decided yet about either to buy new car or second-hand one.

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Hundred years ago, there were many villages and little towns in England.

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In the United States, about 75 percent of the total tomatoes crop is processed into juice, caned tomatoes, sauces, pastes

Be careful when you walk _______ the street. 

Before the Industrial Revolution come to America, the vast majority of nation's population had lived in rural areas

He caught the ball ___ his left hand. 

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The Texas Panhandle region, in the Northwestern part of the state, produces more wheat, cotton , and grain sorghum than any of other area of Texas city.

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We work with many people who are different from us because every persons are the only.

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The refugees are very much upset because they have been deprived from their homeland and their families.

Anything __________ better than going to the movies tonight.

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I’ll make some sandwiches before I’ll leave at office in the morning

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There are a few wild roses whose flowers smell sweetly.

She was sick yesterday,………………………..she was absent from school.

The ideas _____ to nothing because I couldn’t afford to do it.

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The ancestors of some French Americans originally came to The United State because of French Revolution, that broke out in 1789.

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Most of the damage property attributed to the San Francisco earthquake of 1906 resulted from the fire that being followed 

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I did not realize I had left my umbrella on the bus when it started to rain