It’s very wise of you to well trained workers untrained ones in the assembly line.A. sub

It’s very wise of you to well trained workers untrained ones in the
assembly line.
A. substitute; for
B. substitute; with
C. replace; with
D. instead; by

(答案→)A. substitute; forB. substitute; withC. replace; withD. instead; by解析：短语辨析。这几个动词都表示代替，他们的区别是：substitute A for B 用A代替B （使用A；replace A with B 用B替换A （使用B）；instead代替…要加of。句意：在组装线用训练有素的工人代替未经过训练的工人，你太明智了。结合语境可知选A。

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