请问it is adj that 和it is adj to do可以互换吗?
问题描述:
请问it is adj that 和it is adj to do可以互换吗?
it is necessary that we should do …
it is necessary to do…
答
一般可以 区别在it这个形式宾语指代的不同,一个是从句一个是不定式