应该用that
With the development of science and technology,the modern aeroplane is not the machine (that) it was.
这里的that也可以省略不用的
With the development of science and technology,the modern aeroplane is not the machine ___it was .
With the development of science and technology,the modern aeroplane is not the machine ___it was .
which 还是that?THX!
which 还是that?THX!
英语人气：568 ℃时间：2019-08-19 22:32:10
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