用am, is或are填空。. He _____ my cousin. 2 What_____ these? 3. Here _____ two eggs for your sister. 4. _____ these his pears? 5. My parents _____ in Beijing now. . What_____ that in English? 7. Hello,I_____ Gina. 8. Paul and Tim _____ my cousins. 9. His math books_____ on the desk. ._____ they your friends?