1. I'm writing a letter.（变为一般疑问句）
        you        a letter?
2. They are playing soccer at school.（对划线部分提问）
                 they playing soccer?
3. Mr Green is playing the guitar.(对划线部分提问）
         Mr. Green         ?
4. They're talking to an old man.（对划线部分提问）
                 they talking to?
5. He often plays football in the afternoon.（用now替换often改写句子）
He                 football now.

1. He has to study for the math test. (改为一般疑问句)
    ______he______to study for the math test?
2. Would you love to play basketball with us? (作肯定回答)
    Yes, I'd______ ______.
3. Can you come to my party? (作否定回答)
     ______, I ______.
4. It is Tuesday.(对划线部分提问)
    ______day ______it today?
5. I'm playing football.(对划线部分提问)
    ______ ______you_______?