This is Mary's book
This is Mary's book
This is Mary's invitation
This is s book.(a book提问)
This blouse is Mary's.(Mary's划线提问)
This is a book of Mary's. of不就是代表‘...的’的意思么?为什么后面的Mary后面还加's
this,your,book,Mary,is连词成句
(---) book is this?It's wanglin's book.
连词成句 is it mary's book english not
The book on the sofa is Mary's 提问
whose book is this?It's( ).
改错Who's book is this?()
Is this your book?( ),it's( )