问题描述:
this is his book that is your ruler 改成一般疑问句并作肯定否定回答
this is his book
that is your ruler
改成一般疑问句并作肯定否定回答
this is his book
that is your ruler
改成一般疑问句并作肯定否定回答
问题解答:
我来补答展开全文阅读