In my opinion,life in the twenty-first century is much easier than ________.
问题描述:
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
D 为什么不选A
为什么上题用it
The weather in Beijing is colder than that in Hunan.这个就用 that?
并且,下面句子是否正确
life in the 21 century is much eaiser than that in the past
答
上句中,that引导名词性从句时,在句中不作任何的成分,也没有任何词义,只是起连接作用,而used to be前缺少主语,所以不能用that,而是it used to be.that代替前面提到的名词(即“定冠词/物主代词+名词”),以避免重复...