句型转换。按要求完成下列句子，每空一词。

1. I have a headache. (对画线部分提问)

    _____ the matter _____ you?

2. He hurt his left arm. (改为一般疑问句)

    _____ he _____ his left arm?

3. You should come here before 8 o'clock. (改为否定句)

    You _____ _____ here before 8 o'clock.

4. You'd better speak loud in class. (改为否定句)

    You'd _____ _____ speak loud in class.

5. How do you feel today? (改为同义句)

    How _____ you _____ today?