In my opinion,life in the twenty-first century is much easier than_______.A.that used to be B.it used to be我觉得应该选B,但是答案选的是A.这是个什么从句啊?为什么be后面不加that作表语呢?对不起,我打错了。应该

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In my opinion,life in the twenty-first century is much easier than_______.A.that used to be B.it used to be我觉得应该选B,但是答案选的是A.这是个什么从句啊?为什么be后面不加that作表语呢?对不起,我打错了。应该

In my opinion,life in the twenty-first century is much easier than_______.A.that used to be B.it used to be我觉得应该选B,但是答案选的是A.这是个什么从句啊?为什么be后面不加that作表语呢?对不起,我打错了。应该
In my opinion,life in the twenty-first century is much easier than_______.
A.that used to be B.it used to be
我觉得应该选B,但是答案选的是A.
这是个什么从句啊?为什么be后面不加that作表语呢?
对不起,我打错了。
应该是
In my opinion,life in the twenty-first century is much easier than_______.
A.that used to be B.it used to be
我觉得应该选A,但是答案选的是B。
这是个什么从句啊?为什么be后面不加that作表语呢?

In my opinion,life in the twenty-first century is much easier than_______.A.that used to be B.it used to be我觉得应该选B,但是答案选的是A.这是个什么从句啊?为什么be后面不加that作表语呢?对不起,我打错了。应该
1. 答案的确是B.
2. 翻译:在我看来,二十一世纪的生活要比过去(的生活)更轻松地多.
3. 解释:
1)此题中的than是个连词,引导一个比较状语从句.
此种从句比较难理解,并且因为主句和从句形式上基本一致,所以一般存在省略情况.此题完整形式为:
In my opinion, life in the twenty-first century is much easier than it used to be (easy).
如:I'm younger than he (is) (young).
2)如果用that的话,虽则that的确可以充当used to be的表语,但是该从句的主语明显也缺少了啊!
3)所以最多只能说that充当该从句的主语,但是很容易引起误解,因为that本身也可以引导从句,则它和than的功能会重叠!