在下面的题目中填上恰当的Be动词

1.I ____am____from Australia.
2.She ____is___ a student.
3.Jane and Tom _____are____my friends.
4.My parents ___are____very busy every day.
5.I ___am____ at school.
6.He _____is___ at school.
7.We ___are_____ students.
8.They ____are____ from China.
9.Yang Ling _____is___ eleven years old.
10.Where _____are___ your friends?
11.How old ______were____ you last year?
12.Which dog ____is____ yours?
13.Ten and two ___is_____ twelve.

am is are are am is are are is are were is is

I ____am____from Australia. 2. She ___is____ a student. 3. Jane and Tom __are_______my friends.
4. My parents ___are____very busy every day. 5. I ____am___ at school. 6. He ____is____ at schoo...