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

To assure the safely of those workers who may handle radioactive materials, employers should not leave them enter contaminated areas without protective clothing.

In PE classes we have to climb ____________ a rope in 20 seconds. 

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Many small islands in the Indian Ocean are threatened by raising the sea levels.

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His roommate is not very clever student, but he works very hard indeed .

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Children, before going to school, go to kindergartens, officially are all called nursery schools.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Four generations living in the same roof will have different ____ of lifestyle.

Choose the correct answer to complete the sentence. "Don't make me feel guilty _______ I couldn't do anything about it."

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Dislike us , they are not so interested in sports and fitness activities

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When he took the ticket out of from his pocket, hundred dollar bill fell to the floor without the noticing.

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Martin Luther King Jr.’s magnificent speaking enabling him to effectively express the demands for social justice as Black Americans

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It would be both noticed and appreciating if you could finish the work before leaving.

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The purpose of traveler’s checks is to protect travelers from theft and accidental a lot of money.

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In 1950, it was naively predicted that eight or ten computer could be sufficient to handle the scientific and business needs in the United States

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

Would you mind giving me a hand _____ cooking?

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It is their nearly perfect ystal structure that gives diamonds their hardness, brilliance,transparent .

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I think you ____ do exercise regularly in order to keep your body in good shape.

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Each year, people around spending billions of dollars buying merchandise on the Internet

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Our tomatoes are being ripen nicely, they’ll be ready to eat in about a week.

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The diameter of the Sun is more than one hundred times is greater than the Earth.

Choose the correct answer to complete the sentence. "I am expecting ______ my best friend"