that 和 it 代不可数名词区别在哪里in my opinion,life in the twenty-first centry is much easier than————A that used to be .B.it is used to.C.it was used to D.it used to be.选D是为什么呢?为什么A就不行呢?
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![that 和 it 代不可数名词区别在哪里in my opinion,life in the twenty-first centry is much easier than————A that used to be .B.it is used to.C.it was used to D.it used to be.选D是为什么呢?为什么A就不行呢?](/uploads/image/z/10018946-2-6.jpg?t=that+%E5%92%8C+it+%E4%BB%A3%E4%B8%8D%E5%8F%AF%E6%95%B0%E5%90%8D%E8%AF%8D%E5%8C%BA%E5%88%AB%E5%9C%A8%E5%93%AA%E9%87%8Cin+my+opinion%2Clife+in+the+twenty-first+centry+is+much+easier+than%E2%80%94%E2%80%94%E2%80%94%E2%80%94A+that+used+to+be+.B.it+is+used+to.C.it+was+used+to+D.it+used+to+be.%E9%80%89D%E6%98%AF%E4%B8%BA%E4%BB%80%E4%B9%88%E5%91%A2%EF%BC%9F%E4%B8%BA%E4%BB%80%E4%B9%88A%E5%B0%B1%E4%B8%8D%E8%A1%8C%E5%91%A2%EF%BC%9F)
that 和 it 代不可数名词区别在哪里in my opinion,life in the twenty-first centry is much easier than————A that used to be .B.it is used to.C.it was used to D.it used to be.选D是为什么呢?为什么A就不行呢?
that 和 it 代不可数名词区别在哪里
in my opinion,life in the twenty-first centry is much easier than————
A that used to be .B.it is used to.
C.it was used to D.it used to be.
选D是为什么呢?为什么A就不行呢?
that 和 it 代不可数名词区别在哪里in my opinion,life in the twenty-first centry is much easier than————A that used to be .B.it is used to.C.it was used to D.it used to be.选D是为什么呢?为什么A就不行呢?
D
life in the twenty-first centry is much easier than it used to be.
life in the twenty-first centry is much easier than that in the twentieth.
原因我说不上来,只是感觉,但是不会错.以上两句你比较,都是正确的句子.
English can be learnt.It cannot be studied.
D