what is this It is ____o.怎么填?

what is this It is ____o.怎么填? what is this? (U)It is 后面怎么填 What is this ( ) Chinese?It is a map.怎么填 what is this?-It is. What is this?It is What shape is it?__star.怎么填 What is this怎么回答,是It is+a/an What is it还是What is this 填介词,-What ___ this ring?Is it yours,too?-No,it is my sister' What is This?it is a______(书) What is this?it is orange. what is this?It is eraser病句