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.(合并一个句)th
the problem is very difficult.we can't work it out.(合并)the p
The problem is very difficult.We can't work it out.(51.合并)
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.The probl
如下:The exercise is very difficult.We can't work it out.(合并为一
THE problem is very diffcult.he can't work it out .(合并)
the problem is so difficult( ) we can't work it out
The problem is difficult.I can't work it out.(连成一句)
the problem is very difficult ,You can't work it out------ -
This problem is so difficult that we can't work it out.(保持句意
The problem is difficult,I can't work it out.(改同义句) The prob