This maths problem is rather difficult,but it is not _____ t
This maths problem is rather difficult,but it is not _____ t
It is difficult () out this maths problem
The maths problem is difficult,but f___we work it out.
This Maths problem is difficult.I can't work it out.的同义句
This maths problem is not easy.I can't work it out.
this problem is not difficult.you can do it ( ).
The maths problem is not difficult.It is e___根据首字母完成句子
选择填空:This maths problem is too difficult for us _____.
单选题the maths problem is ____ difficult _____
This maths problem is so difficult that only __________ stud
This maths problem is too difficult ______you.to
This is a difficult problem(A),but not(B) too difficult prob