to understand the problem is very difficult.(用it作为形式主语）—— ——

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/17 02:25:35

to understand the problem is very difficult.(用it作为形式主语）—— ——very difficult____ underst

to understand the problem is very difficult.(用it作为形式主语）—— ——very difficult____ underst
It is very difficult to understand the problem
形式主语：It
系动词：is
表语：very difficult
动词不定式做正真的主语：to understand the problem

to understand the problem is very difficult.(用it作为形式主语）—— —— to understand the problem is very difficult .（改同义句） The problem is very difficult to ( ) I found it is very difficult to understand what the foreigne it's very difficult to understand the english hearing the maths problem is too difficult .——————can work it out The problem is very difficult .You must think it over ------ this is the problem very difficult to solve the problem is very difficult.we can't work it out.(合并）the p The problem is very difficult.He can't work it out.(合并为一句） the problem is very difficult.we can't work it out.(合并一个句）th The problem is very difficult.We can't work it out.(51.合并）