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The little girl _____ sing before so many people, _____ she？ A. doesn’t dare to; da..
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Unless economic conditions improve next year, _____ widespread unrest in the United Sta..
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Let’s clean our room; mother will be back _______. A. in a minute B. for a minute C..
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Before becoming President in 1928, Herbert Hoover _____ as Secretary of Commerce. A..
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I longed for having a new bicycle but my parents couldn’t_______ it. A. accept B. ..
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安全信息管理原则必须遵循真实性、准确性、时效性。..
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