what's this ----this's a book 改错
what's this ----this's a book 改错
what’s this (回答)( )( )a book
what"s this?This is a "M"改错
What's this book China's history
This is a book,It's an English book.What's this?急.
改错Who's book is this?()
改错 Who's book is this?
This’s a chair .改错
给一下句子改错 Is it a book yes,it's.Is this yuor an eraser what he
This is s book.(a book提问)
What's color is this?.改错
A:what's this()?