连词成句 ：is ,panda's ,on ,sign ,interesting ,the ,cage ,the

连词成句 ：is ,panda's ,on ,sign ,interesting ,the ,cage ,the the,cage,is,tiger's,on,the,interesting,sign(.)连词成句 is ,panda ,on ,sign ,interesting ,the ,cage ,the .排列顺序 连词成句 the sign does bird’s on mean the cage The sign on the birds' cage is interesting.怎么改 Does the sign on the cage interesting? The sign on the birds’cage is interesting.（改为否定句） The sign on the birds' cage is interesting.is为什么要改成are Does the sign on the cage interesting?(改错） The sign on the birds’ cage is interesting.(对划线部分提问) The sign ( on the birds' cage） is interesting 对括号部分提问 The sign on the birds' cage is interesting.(改一般疑问句）