用括号内所给单词的适当形式填空。
1.These are Jim and Tim. _____________________________ (It) are brothers.
2.Are __________________________ (that) your brothers?
3.Two ___________________________ (dog) are in the school.
4.She is my aunt. __________________________ (she) name is Alice.
5.His ________________________________ (grandparent) are in Beijing now.
6. Is _______________________________ (these) your pencil, Amy?
7. This is a boy. _________________________ (he) name is Eric.
8.Are they your ____________________________ (picture), boys and girls?