It is difficult () out this maths problem
It is difficult () out this maths problem
This Maths problem is difficult.I can't work it out.的同义句
The maths problem is difficult,but f___we work it out.
It's difficult for him to work out this maths problem 同义句是什么
To work out this maths problem is difficult.(同义句转换) __diffic
This maths problem is a bit difficult fot me to work out.
the maths problem is too difficult .——————can work it out
The maths problem is very difficult,.I work it out,though 为什
This maths problem is rather difficult,but it is not _____ t
The maths problem was too difficult.____worked it out.
This maths problem is so difficult that only __________ stud
This maths problem is too difficult ______you.to