its polite to do sth
its polite to do sth
It's polite of sb to do sth 准确翻译
Its time to do sth.和 Its time doing sth.有什么区别?
It's polite/rude to sb to do sth怎么译
it is polite to do
.…think/find + it + adj.+ to do sth.中的it可否用its代替
do sth to do
need sth to do sth
use sth to do sth
make sth+do\to do=sth
hope to do sth.
plan to do sth