句型转换：按要求转换句型。
1. I’m working now. （改为一般疑问句并作肯定回答）
________ you _________ now ?
________ , I __________ .
2. Betty never watches television . （用now 代替 never改写句子）
Betty _______  _______ television now.
3. She doesn’t go to school because she is ill.（对划线部分提问）
_________  ________ she go to school today .
4. This coat is cheap. （改为同义句）
This coat is ______  _______ .
5. We are going to visit the Great Wall . （对划线部分提问）
________ are _______ going to do ?