is this ____（you）schoolbag?yes,it's____（I）school

is this ____（you）schoolbag?yes,it's____（I）school is this your schoolbag?yes it's .it belongs to A i B me C my whose watch is this?it's____(i). IS this his pen?YES,__ ___.it's____. This is his schoolbag.(改为同义句） The schoolbag( do you like this one?yes ,it is ____ how much is the pair of “Is this you new school libruary?” “Yes.It ( ) last year A.b Is this car for s____?I want to buy it. Is this your book?No,I think it's____? This is not ___watch.I think it's____ Do you have lunch at school?A:Yes,it is.B:Yes,I do.C:Yes,we ___ you ____(borrow) this book before?----yes,I borrowed it