句型转换和,根据汉语提示完成句子The problem is very difficult.We can't work it out.(改为两个简单句,两个复合句）The problem is____ _______ ____ _____to work out.The problem isn't______ _______ _____ _____ to work out.The problem is _____ ________ _____we can't work it out.This is ______a difficult problem_______we can't work it out.

1.too difficult for us
2. easy enough for us
3.so difficult that
4.such; that

This problem is too difficult for us `````````
This problem isn't easy enough for us `````````
The problem is so difficult that `````````
This is such a difficult problem that ``````

too difficult for us
easy enough for us
so difficult that
such that
这是八年级一课一练上的吧。我们老师讲了这个练习。所以应该不会错的。
希望能帮上你！

The problem is very difficult. We can't work it out.(改为两个简单句，两个复合句）
The problem is__(too__) (__difficult_____)( _for ___)( _us____)to work out.
The problem isn't ( easy )( enough )( for )( us )to work out.
The problem is ( so )( difficult )( that )we can't work it out.
This is ( such )a difficult problem (that )we can't work it out.

The problem is too difficult for us to work out.
The problem isn't that easy for us to work out.
The problem is so difficult that we can't work it out.
This is such a difficult problem that we can't work it out.

The problem is too difficult for us to work out.
The problem isn't too difficult for us to work out.
The problem is so difficult that we can't work it out.
This is such a difficult problem that we can't work it out.