This question is difficult to answer.和This question is diffi

This question is difficult to answer.和This question is diffi this question is not difficult ------- (answer) This question is very difficult to answer改为同义句 This question is very difficult to answer的同义句 this is a question difficult to answer对吗 it is difficult to answer this question.为什么在answer前面加to this question is very difficult ( ) This question is difficult ()us i found ,difficult to answer this question What is the sky This question is very difficult to answer ,i To answer this question is difficult to me（同义句） I think it is difficult for me to answer this question(改为简单句