一、用am, is, are, was, were填空。1. I a student. 2. You a student.3. He a student. 4. My name Tom.5. we students.6. My pens red.7. they students.8. it Tom.9. I a worker last year.10. He a worker last year.11. We workers last year.12. You a worker last year.13. He good at swimming.14. I good with computer.15. I going