Is this your book?Yes,it is
Is this your book?Yes,it is
is this your book?yes,() A.this is B.it is
Is this book ( yes,It belongs to ( ).
Is this gutar your Yes,it is( )
Is this your book?Yes it's_ book _your teachers short?No,the
is this your desk ------yes,it i______
Is this ball your?Yes,it's()
Is this your book?( ),it's( )
Is it your book Yes,it is .与 Yes,it's mine.回答的区别?
Is this a book?" "Yes,this is."
Is this your book?
Is this your key? ______A.Yes,it is B.NO,it is C.Yes,it isn'