8. ________are your parents?
8. ________are your parents? / They are in China. 9. ________ is John’s birthday? / It is on December 12. 10. ________ old is she? / She is twelve years old. 11. ________ is your father sick? / Because he works very hard. 13. ________ are my notebooks? / They are on the bookshelf. 14. ________ is that tall man? / He is my brother. 15. ________ are the children sad? / They don’t go to the cinema.