25.In my opinion,life in the twenty-first century is much easier than ________.
25.In my opinion,life in the twenty-first century is much easier than ________.
A.that used to be B.it is used to C.it was used to D.it used to be
为什么不选A,that不也可指代么?
A.that used to be B.it is used to C.it was used to D.it used to be
为什么不选A,that不也可指代么?
其他人气：663 ℃时间：2019-11-18 18:33:34
优质解答
惯用法,it用作指代比较多, that 则多用作连接词
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