选出不同类的一项。 (_________) 1.A. bird B. cat C. May (_________) 2. A.left B. moon C. sun (_________) 3.A. flying B. playing C. king (_________) 4. A. two B. fifth C. sixth (_________) 5. A. Monday B. January C. March (_________) 6. A. twelfth B. eleventh C. ten