this physics problem is kind of difficult.Not( )can work it
This physics problem is too difficult for us to A work it ou
this problem is not difficult.you can do it ( ).
---Is this math problem difficult? ---No, I can work it out
This Maths problem is difficult.I can't work it out.的同义句
This problem is too difficult.I can't work it out,and()
改错This math problem is very difficult but I can work out it.
高中英语题i can't work out this problem .it is a most difficult o
This problem is so difficult that nobody can work it out.
This problem is so difficult that we can't work it out.(保持句意
This problem is so difficult that nobody can work it out.(保持
This problem is too difficult._____ students can work it out
This problem is too difficult.I can't work it out,and().