I think it is difficult to do the work in an hour.句子正确吗?一定要说成I think it difficult to do the work in an hour.它和it做形式宾语I find it worth seeing that film again.有何不同？I found it difficult to answer the question.为什么就可以？写成宾语从句怎么写？

I think it difficult to do the work in an hour才是错的.

i think it is difficult to complete the work in an hour.

I think it is difficult to do the work in an hour.正确的I think是插入语,有或没有意思不变,可以省略.I find it worth seeing that film again.这里的it是宾语.I found it difficult to answer the question.这里...