The work is diffcult,but you can't give up it 改错

The work is diffcult,but you can't give up it 改错 diffcult, work out, problem, the ,it, is, to 连词成句 THE problem is very diffcult.he can't work it out .（合并）THE proble is ____diffcult ____him ____work out The boy is very clever.Im sure he is a-----to work out these diffcult problems The problem is very diffcult.Wecan't work it out.（合并）The problem is ____ difficult for _____ _____ work out.对不起 请问一下为什么？ This work is too diffcult.It doesn't f____ me.The school things i____pens,pencils,eraser and books We found it diffcult ( ) [finish] the work on time . I found that diffcult to work out the problem 改错 the exrcise is very diffcult.we can not work it out.合并为一句 the exrcise is__diffcult for us___work out. The physics problem is too diffcult for us_____.A;work it out B;to work it out C;to work out it D;to work out以及选的理由. What is the most diffcult key to turn?(谜语) The story is too diffcult for us to understand 高一英语简单句组成复合句The english language is diffcult.It is less diffcult than the Russian language 把The math problem is too diffcult to work out变too...to句型（三种同义句）还有The room is too small for us to live in和The schoolbag is too expersive for me to buy Meaningless information is diffcult forthe little boy to remember.(保持原意)( )is diffcult for the little boy( )remember Meaningless information . That is diffcult? This is such a diffcult problem that few students can work it The game has five leves.It is very diffcult.(合为一句) The game ___ ____ ____is very diffcult