another five weeks__necessary for us to finish the work A,is

another five weeks__necessary for us to finish the work A,is 21．Another five weeks ____ necessary for us to finish the wo the work is too hard for us to finish in a week,we need ___p It is ( )不可能的 for us to finish the work in such a short time 关于一道英语选择题Another five weeks ___necessary for us to finish th we need another person to help us finish the work to help us It's hard( )us( )the work on time.A.for,to finish B.for,fini it is p______ for us to finish our work to finish the work for us is difficult today.这句话的同义句 To finish the work in two hours is too hard for us.改成同义句 It is p__ for us to finish the work before 5 o'clock _____is impossible for us to finish the work in such a short