问题
选择题
You know, ______ knowledge of _____ computer is necessary to a secretary(秘书).[ ]
A: a; /
B: the；the
C: the; /
D: a; a
答案
答案：A
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You know, ______ knowledge of _____ computer is necessary to a secretary(秘书).[ ]
A: a; /
B: the；the
C: the; /
D: a; a
答案：A