分类：教育/科学-学习帮助
问题：求教英语题there's{avase}inthebox.括号部分 
there's { a  vase} in  the  box. 括号部分提问
what's  in  the  box?『改肯定句和否定句』
how  many  vases  are  there  in  the  box?『改肯定句』
回答：What is there in the box?
There is nothing in the box.
There are some vases in the box.