“The day is coming telegraph wires will be laid on to houses like water or gas.” Bell wro

发布时间：2020-08-16 12:20:28

“The day is ing      telegraph wires will be laid on to houses like water or gas.” Bell wrote to his father.
A. when
B. that
C. in which
D. on that

网友回答

(答案→)A. when
B. that
C. in which
D. on that
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