1. —             you a boy?
    — No, I          not.
2. The girl _____ Jack's sister.
3. The dog _____ tall and fat.
4. The man with big eyes____ a teacher.
5. ____     your brother in the classroom?
6. — Where _____ your mother?
    — She            at home.
7. How _____ your father?
8. Mike and Liu Tao _____ at school.
9. Whose dress _____ this?
10. Whose socks _____ they?

1. What ______ you doing? I ______ sleeping.
2. Where _______ they?
3. I ______ fine. Thank you.
4. Mom, there ______ a call for you.
5. The snow _______ falling. Winter ______ here.