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It is once writing English that causes difficulties to foreigners.

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The Maelstrom is a swift and danger current in (the Arctic Ocean

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A light year is the distance that light travels in one year calculated by using speed of 186,284 miles the second as base.

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The abilities to work hard, follow directions, and thinking independently are some of the crit for success in the workplace.

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Too much water makes plants turning brown at the edges of their leaves

Choose the correct answer. " There are many things I have to do before going home including cleaning, packing _____ saying goodbye to you."

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We call her as ‘Auntie Flo’, though she is not really in relation to us .

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For many years, people have wondered  that if life exits elsewhere in the universe.

The teacher asked students to discuss the situation: "Which is better, supermarkets or traditional markets?"

Jennifer: "I believe that supermarkets are much better than traditional markets."

Katherine: "........Each has its own features."

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Humus is formed during soil organisms decompose animal and plant material into usable elements by plants .

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Consequently kit fox is an endangered species, wildlife experts in California desert are using carious methods to protect it.

He opened the door in order ____ get some fresh air in the room. 

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In the sixteenth century, Francois Vieta, a French mathematician, used the vowels to represent a unknown number.

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Many new laws should be writing to accommodate changes in our society.

Almost all the tourists are really ………………… by the beauty of Hue.

Choose the answer to complete each unfinished sentence, substitutes the underlined part.

While her husband was in the army, Janet________ to him twice a week.

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While the sun is major source of ultraviolet rays, it isn't the source only 

Choose the corect answer to complete. " Mai's teacher always gives her advice ____ suitable career in the future."

Do you realize __________you take after your mother?

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

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