The h___ work lets them understand the life is difficult on

The h___ work lets them understand the life is difficult on The woman is difficult to understand The exercises are too difficult._____students can work them they (them)finished the work on time the rich don‘t understand the difficult life the poor have The question is too difficult I __ (not understand) it 英语高手来,同义句转换,To finish the work on time is difficult.@ @ to f The question is very difficult.No on can work it out.句意不变 life is on the go. life is difficult,this is one of the greatest---(ture) The kite is h___ in the sky The boy is very clever,h___ ,he doesn't work hard.