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You _____________return the book now. You can keep it till next

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The horse is getting old and cannot run __________it did.

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Many kinds of animals are believed to have _________ from the ea

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The engineers in this lab spent several weeks _______ their plan

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Pine trees are usually believed to _______ cold weather.

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Free medical service is _______ to nearly all the college studen

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After working for twenty hours without any rest, the doctors wer

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The college students in China are _______ from smoking on campus

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Professor Smith is also the _______ of the international program

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We won’t allow any foreign country to _______ in our internal af

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