The maths problem is very difficult,.I work it out,though 为什
The maths problem is very difficult,.I work it out,though 为什
The maths problem is difficult,but f___we work it out.
The Maths problem is very e______ .I can work it out mysulf.
The problem is very difficult.He can't work it out.(合并为一句)
This Maths problem is difficult.I can't work it out.的同义句
the maths problem is too difficult .——————can work it out
It is difficult () out this maths problem
The problem is very difficult.We can't work it out.The probl
the problem is very difficult.we can't work it out.(合并)the p
改错This math problem is very difficult but I can work out it.
the problem is very difficult.we can't work it out.(合并一个句)th
The problem is very difficult.We can't work it out.(51.合并)