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