句型转换。
1. Jack sends five emails to his friends every day. (对划线部分提问)
______ ______ emails ______ Jack ______ to his friends every day?
2. I sometimes play football with my friends after school. (对划线部分提问)
______ ______ ______ you ______ football with your friends after school?
3. They go to the park on Sunday. (改为否定句)
They ______ ______ to the park on Sunday.
4. We often use a computer in our class. (改为一般疑问句)
______ you often ______ a computer in your class?
5. My friends usually play computer games at the weekend. (对划线部分提问)
______ ______ your friends usually ______ at the weekend?