连词成句:
1.is,sun,much,bigger,we,the,where,the,earth,than,live
2.the,speed,train,running,at,a,high,is
3.she,one,time,still,she,more,but,failed,tried
4.soldier,saved,river,into,child,the,the,the,and,jumped
5.environment,together,works,make,our,to,clean,everyone