—Whose book is this?—It ________be Mary's. J. K. Rowling is her favorite writer.—No, it ______ be hers . She never brings novels to school.
does this dress cost?
Is watching TV too bad your health?
---“does Daniel swim?” --- “ Twice a week.”
I have three sisters. They are all ____________.
Eating too much is ______ for your ________ .