1.My hair is long but ______(he) is short.
2.Her cat's thin but _______(I) is fat.
3.What's _____(you) favourite food.
_______(I) favourite food is bread.
4._______(she) is a driver._______(she) brother is a doctor.
5.It's ______(my) book,not ________(they).
6.Are they ______(we) books.No,They're_____(she).

好，谢谢！