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?我学比较级的时候用来代指天气等不可数名次都用that啊 怎么这个不是呢》?
人气：265 ℃ 时间：2020-03-16 15:12:18
解答
因为这里有“life”.这个词很特别,要用it指代.例：life is not as it used to be hard traffic ,hight prices ,people always become angry all the time ,we need to go to live on the moon
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