英语翻译This is a difficult problem; at the same time it is extr
This problem ___that one. A.are the same as B.is difficult f
It is difficult () out this maths problem
The key problem is that what is lost at the same time?这句话对吗
大一的,yet at the same time it is the
1,it is always the same at-----like this.A situations B cond
英语翻译At the same time,a steel pipe(钢管) is pushed down to stop
This problem is difficult,please think it ( )介词
this problem is not difficult.you can do it ( ).
This math problem is too difficult _____.A.for me to work it
用适当的介词填空.This problem is a bit difficult.Can you explain it
It is so difficult a problem that ____ student in this class
This physics problem is too difficult for us to A work it ou