改为同义句It is very difficult for the young to do such hard work

it was very difficult for him to work out the problem改为同义句 it was very difficult for him to work out the problem 改为同义句 it is difficult for me to work out the physics problem改为同义句 改为同义句I find that it is hard for him to work out the problem. to is such it children for work difficult boring do连句 1.The girl is too young ,and she can't do such hard work.（改为 the problem is too difficult for me to work out 英语改为同义句 The problem is too difficult for us to work out.(改为同义句) For him,to finish the work is difficult.改为同义句 to answer the question is very difficult改为同义句 he is too young to do the work.(改为同义句) 改为同义句：It is hard to tell what the words stand for these days