用am,is,are填空。
1. Where _____________ you from? I _____________ from China.
2. Where _____________ he from? He _____________ from England.
3. What _____________ your mother? She _____________ a teacher.
4. I _____________ Number One.
5. She _____________ in Class One, Grade Two.
6. We _____________ good friends.
7. It _____________ a pear.
8. _____________ you sure?
9. _____________ ten and ten twenty?
10. _____________ it green or red?