He found __ hard to work out the problem by himself .
He found __ hard to work out the problem by himself .
He found it difficult to work out the problem.
1.I am s___ he can work out the problem by himself.2._______
All of us found hard to work out the maths problem 为什么答案是it
翻译:He works out the problem by himself
To work out the problem is very hard .(同一句) _____ is very __
I found him_______because he could work out the problem easi
He found () difficult to work out the problem in such a shor
I found it difficult to work out the problem without your he
I found that diffcult to work out the problem 改错
I found()impossble for()to work out the math problem
I found ___ not easy to work out the problem,