This is one of the means t he electic energy is conducted from one place to another.A. by

发布时间：2020-08-16 10:40:48

This is one of the means     t he electic energy is conducted from one place to another.
A. by which
B. by that
C. through which
D. through that

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(答案→)A. by which
B. by that
C. through which
D. through that
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