to see to it that这个短语是什么意思?怎么用呢?

see to it that... to see to it that这个短语是什么意思?怎么用呢? it is because that person wants to see it is i____ to see that everything go well See to it that the door is shut. That animal is _____.No one wants to see it. i will see to it that the door____(be) clear. To see to whom it To see to whom is see to it that中的it 是that后面引导的从句的形式主语吗? He makes it difficult to see.make it difficult to see怎么理解?省略了that吗,从句? I want to see that I'll see __ everything is ready in timeI'll see __ everything is ready in timeA.it to that B.that to it C.to that it D.to it that请问为什么呢? he was surprising to see that it began to show all of asudden 改错 tomorrow,see to it that he comes这句话中为什么要加to? I'll see to it . see stick-to-it-ness It's lovely to see so...that的时态如果我说,The film is so wonderful that i decided to see it again.这个时态有错吗?