The best thing to do is call the police.中is后为什么接动词原型?
问题描述：
The best thing to do is call the police.中is后为什么接动词原型?
如题啦,
答
省略了to,只是省略了.
The best thing to do is call the police.中is后为什么接动词原型?
如题啦,
省略了to,只是省略了.