5. It’s my backpack. (变为复数句)

　　 ________________________

4. Are those dictionaries here? (变为单数句)

　　 ________________________

3. These computer are new. (变为单数句)

　　 ________________________

2. Is that your baseball? (变为复数句)

　　 ________________________

1. This is my friend. (变为复数句)

　　 ________________________

5.(　　 )

　　 A. Are this your grandmother?

　　 B. Is these your grandmother?

　　 C. Is these your grandfather?

　　 D. Is this your grandfather?

4.(　　 )

　　 A. These is my mother.

　　 B. This is my mother.

　　 C. This is me mother.

　　 D. This are my mother.

3.(　　 )

　　 A. They is my brothers.

　　 B. They are my brother.

　　 C. They are my brothers.

　　 D. These is my brothers.

2.(　　 )

　　 A. This isn’t me cousin.

　　 B. This is me cousin.

　　 C. This aren’t my cousin.

　　 D. This isn’t my cousin.

1.(　　 )

　　 A. This are my sister.

　　 B. This is my sisters.

　　 C. This is my sister.

　　 D. These is my sister.