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问题: The invention of telegram _____the transmission of

The invention of telegram _____the transmission of messages to any part of the world within a few seconds.
A made it possible
B made possible
(选B,翻译下,解释下)

解答:

The invention of telegram ---主语
the transmission of messages to any part of the world within a few seconds. ---宾语

made ---谓语
possible---宾补

由于宾语太长,所以将宾补提前了.

不能有it 的理由:
it做形式宾语时,代替动词不定式,而不是代替名词,本句的宾语是名词短语,所以不能用it代替



电报的发明使信息在几秒内传输到世界任何一个地方成为可能。