since she can‘t answer this question ,it's better to ask som

问题描述:

since she can‘t answer this question ,it's better to ask someone else.这里为什么用it.换成you行吗
1个回答 分类:英语 2014-11-24

问题解答:

我来补答
答案:不能
it's better to do... it形式主语,to do,真正主语
换成you'd better 后面不能+to do.. 改成you'd better ask...
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