问题
选择题
It is wise of you to well-trained workers untrained ones in the assembly line. [ ]
A.substitute;for
B.substitute;with
C.replace;by
D.replace;with
答案
答案：A
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It is wise of you to well-trained workers untrained ones in the assembly line. [ ]
A.substitute;for
B.substitute;with
C.replace;by
D.replace;with
答案：A