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26．The teacher says to Tom, “Please be honest boy at school now and try to be useful person in the future. A. a; a B. a; an C. an; a D. an; an 【查看更多】

 

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The teacher says to Tom, “Please be ________ honest boy at school now and try to be ______ useful person in the future.”

A. a; a                     B. a; an                  C. an; a           D. an; an

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