The traditional goal of science is to discover how things are， not how they ought（）._精华吧

The traditional goal of science is to discover how things are， not how they ought（）.

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The traditional goal of science is to discover how things are， not how they ought（）.

A.have been

B.be

C.to be

D.to

正确答案：to be

Tag：科技英语语法时间：2024-01-08 09:43:18

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