–Is ______ true that people in Baise eat Lichi every day?--No, that’s not true, but it is a very popular fruit there.
--Are _______ your quilts, Mary?--No, ______ aren’t.
I ______ a girl. Lucy and Lily _______ my cousins.
--Is _______ your photo?--Yes, it _______.
-- What' s Mr. White' s ________, Jim? --It' s Tom.
--Is it _____ pen? --Yes. It' s ______ orange pen. A a; a B. an; an C. a; an D. an; a