句型转换Theproblem is so difficult.Icon't work it out. The probl
句型转换Theproblem is so difficult.Icon't work it out. The probl
The problem is very difficult.We can't work it out.The probl
So clever is he that he can work out all the difficult probl
1.The math problem is so difficult that I can't work it out.
the problem is so difficult( ) we can't work it out
The problem is so difficult that I can't work it out.同义句
The problen is difficult.I can't work it out.
It is _question that i can't work it out.A.a so difficult B.
This problem is so difficult that we can't work it out.(保持句意
i can't work out the problem.it's too difficult同义句转换 i have
The problem was so difficult that we couldn't work it out ea
The problem is so difficult that nobody can work it out(改为同义