题目

如下：
The exercise is very difficult.We can't work it out.(合并为一句）
The exercise is_________difficult for us__________work out.

提问时间：2020-11-20

答案

The exercise is too difficult for us_to work out
too to 太……以至于……
这个练习题太难了,以至于我们不能把它解出来.