连词成句 1.cotton her new made sweater is of 2.working how they hard are
问题描述：
连词成句 1.cotton her new made sweater is of 2.working how they hard are
3.have they been never before ther
4.It‘s hard……（爬）to the top of the mountain for this old man
答
1 Her new sweater is made of cotton .她的新毛衣是棉花做的.
2 How hard they are working!他们多努力学习/工作呀!
3 They have never been there before .他们以前从未去过那里.
4 to climb