Plastic parts can metal ones in many machines. But they don't last long.
A. substitute for
B. be replaced with
C. take the place for
D. in place of
网友回答
(答案→)A. substitute for
B. be replaced with
C. take the place for
D. in place of
解析：考查词组：A.substitute for代替，替换，抵换B．be replaced with被取代C．take the place for是错误的，“代替”应该是介词of，D．in place of是介词短语，代替，句意：在很多机器上塑料的部分可以代替金属的部分，但不能持久。选A。