把下面的单词整理成句
问题描述：
把下面的单词整理成句
will ,home ,to ,China,week ,I ,fiy ,next
be,not,to,into,tree,run,careful,the
want,I,send.sister,to,letter,my,a,to
第一句：will ,home ,to ,China,week ,I ,fiy ,next。
第二句;be,not,to,into,tree,run,careful,the
第三句：want,I,send.sister,to,letter,my,a,to
答
I will fly to China next week
Be careful do not run into the tree
I want to send a letter to my sister