Complete the spaces with is, are, or am.
1. Cars .................. expensive.
2. John ………. a student.
3. I ………… the best in the class.
4. My sister …………. a teacher.
5. The train …………. late again.
6. You ……………… in class 3B.
7. That computer ………….. very slow.
8. It ………… cold today.
9. We ……………….. interested in shopping.
10. I ………………. tired.
11. Stephanie and Luke ............ from Canada