— Are these your books?
—No, they aren't. They're____.
A. her B. his C. mine
—Is he your father, Kate?
—Yes,_____.
A. he's B. he is C. she is
Those boys are my ______.
A. brothers B. brother C. sisters
—What's your QQ number?
—______ 54863.
A. It B. It's C. Its
—How your father?
— He fine. Thank you.
A. are; is B. is; are C. is; is
— is your pen ?
—It's black .
A. What's color B. What C. What color