It was not immediately obvious _____ water was to be fundamental to the development of life.A.whatB.

题目简介

It was not immediately obvious _____ water was to be fundamental to the development of life.A.whatB.

题目详情


It was not immediately obvious _____ water was to be fundamental to the development of life.
A.whatB.thatC.whenD.why
题型:单选题难度:偏易来源:不详

答案

B
It作形式主语真正主语为that从句,that只起连接作用不做成分。句意:水注定会成为生命发展的基础还不明显。

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