用be的适当形式填空。 1. —What _______ it in English? —It _______ a book. 2. —Who _______ that man? —He’s Tom’s father. 3. Ann’s Chinese name _______ Lili. 4.—What color _______ her pen? —It’s yellow. 5. I _______ an American. And she _______ a Chinese. 6. —What _______the Chinese for desk? —Sorry, I don’t know. 7. I _______ in Class One and my sister _______ in Class Ten. 8. Jason and Brad _______ brothers. 9. Annie Davis _______ a teacher. 10. This _______ Mike Cohen. 11. I _______ a student. 12. _______ you classmates?