John, _______ university professor, is considered to be _______ success as ______ expert in the agriculture research.
A.a; a; an | B.an; / ; an | C.the; /; an | D.a; the; an |
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John, _______ university professor, is considered to be _______ success as ______ expert in the agriculture research.
A.a; a; an | B.an; / ; an | C.the; /; an | D.a; the; an |