It is difficult for us to finish writing the compositionin a

It is difficult for us to finish writing the compositionin a It is difficult for ____ (they) to finish the work without a It is difficult that we finish writing the composition in a it is difficult for us to learn a foreign langua 1、The maths problem is too difficult for us to ( ).A、work it It’s _____ for us to finish such a difficult project .We hav It is ( )不可能的 for us to finish the work in such a short time to finish the work for us is difficult today.这句话的同义句 it is difficult a book for us work me it's for to difficult finish the it is difficult for us to get to the t_____of the mountain w The problem is too difficult for us to solve it. 这个句子里面的it 为