the boy is c____ by the difficult problem.
the boy is c____ by the difficult problem.
the problem is difficult ___ .
The problem is difficult ______.
Though the math problem is very difficult, the smart boy ___
Waht a b____ boy he is!He can work out the difficult problem
The problem is difficult ________.3Q
The problem is very difficult to ( )
The problem is () difficult for us()
That problem is the most difficult ---- all
英语翻译The boy()these difficult problems by himself
是the problem is difficult to be dealt with还是the problem is d
problem-by-problem what is the chinese meaning?