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You know, knowledge of computer is necessary to a secretary. A.a; / B.the; the C

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You know, knowledge of computer is necessary to a secretary. A.a; / B.the; the C

You know, ________ knowledge of ________computer is necessary to a secretary(秘书).

      A.a; /    B.the; the     C.the; / D.a; a

试题答案

A