按要求改写下列句子
1. I have a book. (将I改为she, 其余作相应变化)
________ ________ a book.
2. I am happy. (根据划线提问)
________ ________ you ________?
3. I have two sisters. (改为一般疑问句)
________ you ________ two ________?
4. He is a doctor. (根据划线提问)
________ ________ he________?
5. Do you have a red T-shirt?(根据提示回答)
________, ________ ________.(是的)