The math problem is too diffcult for me to solve后为什么不能加it

( )the math problem( 0. The maths problem is too difficult.math为什么加s 同义句 The math problem is so difficult that nobody can work it out.The math problem is ()difficult()work it out. The math problem is too difficult for him to work out.(写出同义句）The math problem is _____ difficult _____ he can't work it out. The girl is clever to work out the math problem.改为同义句 The girl is clever to work out the math problem.改为同义句 the boy is very clever.he can work out the math problem in a ( )way The math problem isn't easy for me to work out (保持原句意思)The math problem is ___ ____ for me to work out He is so clever that he can solve the math problem quickly同义句He is _____ ______ _____ solve the math problemHe is _____ ______ _____ that he can solve the math problem quickly Tom is an excellent student.Even Tom could not work out the math problem (simple sentence) the math problem is too hard to work ------out------上填不填it为什么 It is too difficult to work out the math problem.改为感叹句 tht math problem is so difficult the i cannot work it ou用英文解释 1.The math problem is so difficult that I can't work it out.(改为简单句) The math problem is ______1.The math problem is so difficult that I can't work it out.(改为简单句)The math problem is _______ difficult _______ _______ _______ ______ This is very easy to work out the math problem.有什么错? the math problem is _____ difficult for me ____ solve在变2个同义句 the math problem is difficult to work out的同义句 The math problem is too difficult for him to workout.同义句